Doubt is the father of invention.

Doubt is the father of invention.

No man likes to have his intelligence or good faith questioned, especially if he has doubts about it himself.

No man likes to have his intelligence or good faith questioned, especially if he has doubts about it himself.

Laugh at yourself, but don't ever aim your doubt at yourself. Be bold. When you embark for strange places, don't read more

Laugh at yourself, but don't ever aim your doubt at yourself. Be bold. When you embark for strange places, don't leave any of yourself safely on shore. Have the nerve to go into unexplored territory.

He who dallies is a dastard,
He who doubts is damned.

He who dallies is a dastard,
He who doubts is damned.

The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people read more

The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people s ofull of doubts.

I do not like 'but yet, it does allay
The good precedence: fie upon 'but yet,'
'But read more

I do not like 'but yet, it does allay
The good precedence: fie upon 'but yet,'
'But yet' is as a jailer to bring forth
Some monstrous malefactor.

Doubting charms me not less than knowledge.
[It., Non menno che saper, dubbiar m'aggrata.]

Doubting charms me not less than knowledge.
[It., Non menno che saper, dubbiar m'aggrata.]

But the gods are dead--
Ay, Zeus is dead, and all the gods but Doubt,
And doubt read more

But the gods are dead--
Ay, Zeus is dead, and all the gods but Doubt,
And doubt is brother devil to Despair!

Doubt is the beginning, not the end, of wisdom.

Doubt is the beginning, not the end, of wisdom.