The pragmatist knows that doubt is an art which has to be acquired with difficulty.

The pragmatist knows that doubt is an art which has to be acquired with difficulty.

Doubt is the beginning not the end of wisdom

Doubt is the beginning not the end of wisdom

In all affairs it's a healthy thing now and then to hang a question mark on the things you have read more

In all affairs it's a healthy thing now and then to hang a question mark on the things you have long taken for granted.

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.

Doubt is part of all religion. All the religious thinkers were doubters.

Doubt is part of all religion. All the religious thinkers were doubters.

Truth is beautiful, without doubt; but so are lies.

Truth is beautiful, without doubt; but so are lies.

Our doubts are traitors,
And make us lose the good we oft might win,
By fearing to read more

Our doubts are traitors,
And make us lose the good we oft might win,
By fearing to attempt.

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.

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.