To have doubted one's own first principles is the mark of a civilized man.

To have doubted one's own first principles is the mark of a civilized man.

Doubt is the beginning not the end of wisdom

Doubt is the beginning not the end of wisdom

Just think of the tragedy of teaching children not to doubt.

Just think of the tragedy of teaching children not to doubt.

Doubt yourself and you doubt everything you see. Judge yourself
and you see judges everywhere. But if you listen read more

Doubt yourself and you doubt everything you see. Judge yourself
and you see judges everywhere. But if you listen to the sound of
your own voice, you can rise above doubt and judgment. And you
can see forever.

A weak man has doubts before a decision; a strong man has them afterwards.

A weak man has doubts before a decision; a strong man has them afterwards.

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 so full 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.

Men become civilized, not in proportion to their willingness to believe, but in proportion to their readiness to doubt.

Men become civilized, not in proportion to their willingness to believe, but in proportion to their readiness to doubt.

There lives more faith in honest doubt,
Believe me, than in half the creeds.

There lives more faith in honest doubt,
Believe me, than in half the creeds.