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.

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!

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 road to perseverance lies by doubt.

The road to perseverance lies by doubt.

Doubt is uncomfortable, certainty is ridiculous.

Doubt is uncomfortable, certainty is ridiculous.

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

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

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.

Doubting charms me not less than knowledge.
[It., Non menno che saper, dubbiar m'aggrata.]

Doubting charms me not less than knowledge.
[It., Non menno che saper, dubbiar m'aggrata.]

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.