Stop acting as if life is a rehearsal. Live this day as if it were your last. The past is over and gone. The future is not guaranteed.
The truth of a theory can never be proven, for one never knows if future experience will contradict its conclusions.
You may pronounce the sentence upon me, honourable judge, but let the world know that in A.D. 1886, in the State of Illinois, eight men were sentenced to death because they believed in a better future; because they had not lost their faith in the ultimate victory of liberty and justice!
We are working towards a shared vision of the future for health among all the world's people. A vision future in which we develop new ways of working together at global and national level. A vision which has poor people and poor communities at its centre. And a vision which focuses action on the causes and consequences of the health conditions that create and perpetuate poverty.
Faced with a new mutation in an organism, or a fundamental change in its living conditions, the biologist is frequently in no position whatever to predict its future prospects. He has to wait and see. For instance, the hairy mammoth seems to have been an admirable animal, intelligent and well-accoutered. Now that it is extinct, we try to understand why it failed. I doubt that any biologist thinks he could have predicted that failure. Fitness and survival are by nature estimates of past performance.
Do not worry about the past or the future. This moment needs your attention, for this is where your life exists.
A wise God shrouds the future in obscure darkness. [Lat., Prudens futuri temporis exitum Caliginosa nocte premit deus.]
One must care about a world one will not see.
We respect the dignity and the rights of every man and every nation. The path to a brighter future of the world leads through honest reconciliation of the conflicting interests and not through hatred and bloodshed. To follow that path means to enhance the moral power of the all-embracing idea of human solidarity.
The children are our future. And that is why, ultimately, we're screwed unless we do something about it. If you haven't noticed, the children who are our future are good-looking, but they aren't all that bright. As dense as they might be, they will eventually notice that adults have spent all the money, spread disease, and turned the planet into a smoky, filthy ball of death. We're raising an entire generation of dumb, pissed-off kids who know where the handguns are kept. This is not a good recipe for a happy future.
Workers must root out the idea that by keeping the results of their labors to themselves a fortune will be assured to them. Patent fees are so much wasted money. The flying machine of the future will not be born fully fledged and capable of a flight for 1,000 miles or so. Like everything else it must be evolved gradually. The first difficulty is to get a thing that will fly at all. When this is made, a full description should be published as an aid to others. Excellence of design and workmanship will always defy competition.
I'm an optimist. I've always believed the future is going to be better than the past. And I also believe I have a role in that. The great thing about human beings, myself in particular, is that I can change. I can do better. If you can get up every day, stay optimistic, and believe the future is better than the past, those few things get you through a lot of tough times.
There is never time in the future in which we will work out our salvation. The challenge is in the moment; the time is always now.
We steal if we touch tomorrow. It is God's.
Pick the day. Enjoy it - to the hilt. The day as it comes. People as they come... The past, I think, has helped me appreciate the present - and I don't want to spoil any of it by fretting about the future.
The future enters into us, in order to transform itself in us, long before it happens.
We must welcome the future, remembering that soon it will be the past; and we must respect the past, remembering that it was once all that was humanly possible.
Life is no brief candle to me. It is a sort of splendid torch which I have got a hold of for the moment, and I want to make it burn as brightly as possible before handing it on to future generations.
Why didn't I learn to treat everything like it was the last time. My greatest regret was how much I believed in the future.
Let us continue to strive together for a more inclusive, democratic, and peaceful future for us all.
Acknowledging the physical realities of our planet does not mean a dismal future of endless sacrifice. In fact, acknowledging these realities is the first step in dealing with them. We can meet the resource problems of the world - water, food, minerals, farmlands, forests, overpopulation, pollution - if we tackle them with courage and foresight.
There is nothing more precious to a parent than a child, and nothing more important to our future than the safety of all our children.
My dreams are my dress rehearsals for my future.
The present is theirs; the future, for which I really worked, is mine.
There are far, far better things ahead than any we leave behind.
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