Doubt must be no more than vigilance, otherwise it can become dangerous.

He was then in his fifty-fourth year, when even in the case of poets reason and passion begin to discuss a peace treaty and usually conclude it not very long afterwards.

Rational free spirits are the light brigade who go on ahead and reconnoiter the ground which the heavy brigade of the orthodox will eventually occupy.

As I take up my pen I feel myself so full, so equal to my subject, and see my book so clearly before me in embryo, I would almost like to try to say it all in a single word.

Pain warns us not to exert our limbs to the point of breaking them. How much knowledge would we not need to recognize this by the exercise of mere reason.

Love is blind, but marriage restores its sight.

Many are less fortunate than you' may not be a roof to live under, but it will serve to retire beneath in the event of a shower.