All excellent things are as difficult as they are rare

Onemight as well try to ride two horses moving in different directions, as totry to maintain in equal force two opposing or contradictory sets of desires.

The hand of liberty is stronger than arms of power.

If youcould kick the person in the pants responsible for most of your trouble, youwouldn't sit for a month.

Science has promised us truth. It has never promised us either peace or happiness.

Thespirit indeed is willing, but the flesh is weak.

A fool shows his annoyance at once, but a prudent man overlooks an insult.

Philosophy begins in wonder. And, at the end, when philosophic thought has done its best, the wonder remains.

People whoare too concerned with how well they are doing will be less successful andfeel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation, or between extrinsicand intrinsic motivation...

The real great man is the man who makes every man feel great.

Every man has enough power left to carry out that of whichhe is convinced.

Silenceis as full of potential wisdom and wit as the unshown marble of greatsculpture. The silent bear no witness against themselves.