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.

Doubt is the father of invention.

Doubt is the father of invention.

When unhappy, one doubts everything; when happy, one doubts
nothing.

When unhappy, one doubts everything; when happy, one doubts
nothing.

Uncertain ways unsafest are,
And doubt a greater mischief than despair.

Uncertain ways unsafest are,
And doubt a greater mischief than despair.

There lives more faith in honest doubt,
Believe me, than in half the creeds.

There lives more faith in honest doubt,
Believe me, than in half the creeds.

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

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

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.

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.

Any belief worth having must survive doubt

Any belief worth having must survive doubt