Is man one of God's blunders? Or is God one of man's blunders?

Belief in the truth commences with the doubting of all those truths we once believed.

Do not allow yourselves to be deceived: Great minds are skeptical.

Great intellects are skeptical.

Skepticism is a virtue in history as well as in philosophy.

Almost everyone who has had an idea that's somewhat revolutionary or wildly successful was first told they're insane.