Believe those who are seeking the truth; doubt those who find it.
We know accurately only when we know little; with knowledge, doubt increases.
But the most beautiful of all doubts Is when the downtrodden and despondent raise their heads and Stop believing in the strength Of their oppressors.
When in doubt, follow the suit of the wise and prudent.
To be, or not to be, that is the question.
Background photo by Ilkka Kärkkäinen on Unsplash
The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.
If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.
Doubt always arises from the fact that things are investigated without order.
Doubt is the father of invention.
Doubt is not below knowledge, but above it.
When in doubt, leave it out.
When in doubt, tell the truth.
The opposite of falsehood is not truth, but doubt.
If a man will begin with certainties, he shall end in doubts; but if he will be content to begin with doubts, he shall end in certainties.
To know much is often the cause of doubting more.
No need to be praised when you are sure of yourself. He who seeks praise doubts his own worth.
Doubt truth to be a liar, but never doubt I love.
Don't waste life in doubts and fears.
If one hesitates in his path, let him not proceed. Let him respect his doubts, for doubts, too, may have some divinity in them.
We are speaking on this occasion, not as members of this or that nation, continent, or creed, but as human beings, members of the species Man, whose continued existence is in doubt.
Jealousy lives upon doubt; and comes to an end or becomes a fury as soon as it passes from doubt to certainty.
It is beyond a doubt that all our knowledge that begins with experience.
Not doubt, certainty is what drives one insane.