Effort and courage are not enough without purpose and direction.
A nation which has forgotten the quality of courage which in the past has been brought to public life is not as likely to insist upon or regard that quality in its chosen leaders today - and in fact we have forgotten.
We must find time to stop and thank the people who make a difference in our lives.
Only in winter can you tell which trees are truly green. Only when the winds of adversity blow can you tell whether an individual or a country has steadfastness.
Leadership and learning are indispensable to each other.
There are risks and costs to action. But they are far less than the long range risks of comfortable inaction.
Victory has a thousand fathers, but defeat is an orphan.
The problems with this world cannot possibly be solved by sceptics or cynics whose horizons are limited by the obvious realities. We need people who can dream of things that never were.
History will never accept difficulties as an excuse.
It is time for a new generation of leadership, to cope with new problems and new opportunities. For there is a new world to be won.
I was born an American, I live like an American, I will die an American.
The exploration of space will go ahead, whether we join in it or not, and it is one of the great adventures of all time, and no nation which expects to be the leader of other nations can expect to stay behind in this race for space.
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