In general, children, like men, and men, like children, prefer entertainment to education.

I like better for one to say some foolish thing upon important matters than to be silent. That becomes the subject of discussion and dispute, and the truth is discovered.

A thing is not proved just because no one has ever questioned it. What has never been gone into impartially has never been properly gone into. Hence scepticism is the first step toward truth. It must be applied generally, because it is the touchstone.

Doctors are always working to preserve our health and cooks to destroy it, but the latter are the more often successful.

Isn't it better to have men being ungrateful than to miss a chance to do good?

The bad gives rise to the good, the good inspires the better, the better produces the excellent, the excellent is followed by the bizarre

Scepticism is the first step toward truth.