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.

Who never doubted, never half believed. Where doubt is, there truth is -- it is her shadow.

Who never doubted, never half believed. Where doubt is, there truth is -- it is her shadow.

But now I am cabined, cribbed, confined, bound in
To saucy doubts and fears.

But now I am cabined, cribbed, confined, bound in
To saucy doubts and fears.

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

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

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!

Modest doubt is called the beacon of the wise.

Modest doubt is called the beacon of the wise.

I kept on digging the hole deeper and deeper looking for the
treasure chest until I finally lifted my read more

I kept on digging the hole deeper and deeper looking for the
treasure chest until I finally lifted my head, looked up and
realized that I had dug my own grave.

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.

Deep doubts, deep wisdom; small doubts, little wisdom.

Deep doubts, deep wisdom; small doubts, little wisdom.