Inaction breeds doubt and fear. Action breeds confidence and courage.
If you tried to doubt everything you would not get as far as doubting anything. The game of doubting itself presupposes certainty.
True science teaches, above all, to doubt and be ignorant.
Whenever a warrior decides to do something, he must go all the way, but he must take responsibility for what he does. No matter what he does, he must know first why he is doing it, and then he must proceed with his actions without having doubts or remorse about them.
When in doubt, make a fool of yourself.
You call for faith: I show you doubt, to prove that faith exists. The more of doubt, the stronger faith, I say, If faith o'ercomes doubt.
If you are in doubt whether to write a letter or not, don't. And the advice applies to many doubts in life besides that of letter writing.
Doubts are death. Doubts are the dry rot of life.
A bitter and perplexed "What shall I do?" Is worse to man than worse necessity.
What still concerns me the most is: am I on the right track, am I making progress, am I making mistakes in art?
Profound, bottomless self-doubt - it has no value - what's the point? In a way, it takes up as much time as anything else.
Doubts are suppressed by groups... But remember that the internal incentives that shape how the group perceives risks and rewards may be very different from the reality of the risks and rewards in the external marketplace. Those incentives can distort risk perception.
Doubt is always accompanied by a pervasive cynicism that unconsciously puts a negative spin on whatever it touches.
Never believe what you cannot doubt.
When we are in our studios, in our private space... we need to block out the outside world; we need to disbelieve anything that would doubt us, because - everyone will doubt us if we allow them that space.
Wise men, when in doubt whether to speak or to keep quiet, give themselves the benefit of the doubt, and remain silent.
The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt.
To saucy doubts and fears.
Don't waste life in doubts and fears; spend yourself on the work before you, well assured that the right performance of this hour's duties will be the best preparation for the hours and ages that will follow it.
To know much is often the cause of doubting more.
Laugh at yourself, but don't ever aim your doubt at yourself.
Cold hearts are not anxious enough to doubt. Men who love will have their misgivings at times; that is not the evil. But the evil is, when men go on in that languid, doubting way, content to doubt, proud of their doubts, morbidly glad to talk about them, liking the romantic gloom of twilight, without the manliness to say,--I must and will know the truth. That did not John. Brethren, John appealed to Christ.
I wish I were dumber so I could be more certain about my opinions. It looks fun.
Our toil must be in silence, and our efforts all in secret; for this enlightened age, when men believe not even what they see, the doubting of wise men would be his greatest strength.
Cleave ever to the sunnier side of doubt.
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