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.

Doubt is uncomfortable, certainty is ridiculous.

Doubt is uncomfortable, certainty is ridiculous.

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.

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.

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.

The road to perseverance lies by doubt.

The road to perseverance lies by doubt.

To believe with certainty we must begin with doubting.

To believe with certainty we must begin with doubting.

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.