Doubt is a pain too lonely to know that faith is his twin brother.

Doubt is a pain too lonely to know that faith is his twin brother.

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

There is nothing more dreadful than the habit of doubt. Doubt separates people. It is a poison that disintegrates friendships read more

There is nothing more dreadful than the habit of doubt. Doubt separates people. It is a poison that disintegrates friendships and breaks up pleasant relations. It is a thorn that irritates and hurts; it is a sword that kills.

Fain would I but dare not; I dare, and yet I may not;
I may, although I care not read more

Fain would I but dare not; I dare, and yet I may not;
I may, although I care not for pleasure when I play not.

Make me to see't; or at the least so prove it
That the probation bear no hinge nor loop
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Make me to see't; or at the least so prove it
That the probation bear no hinge nor loop
To hang a doubt on--or woe upon thy life!

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.

When in doubt, win the trick.

When in doubt, win the trick.

I respect faith, but doubt is what gets you an education.

I respect faith, but doubt is what gets you an education.