Every new opinion, at its starting, is precisely in a minority of one.

The errors of a wise man are literally more instructive than the truths of a fool. The wise man travels in lofty, far-seeing regions; the fool in low-lying, high-fenced lanes; retracing the footsteps of the former, to discover where he diviated, whole provinces of the universe are laid open to us; in the path of the latter, granting even that he has not deviated at all, little is laid open to us but two wheel-ruts and two hedges.

Wise man was he who counselled that speculation should have free course, and look fearlessly towards all the thirty-two points of the compass, whithersoever and howsoever it listed.

The Highest Being reveals himself in man.

The first duty of man is that of subduing fear.

Make yourself an honest man, and then you may be sure there is one less rascal in the world.

Perfect ignorance is quiet, perfect knowledge is quiet; not so the transition from the former to the latter.