Aristotle

A friend is a second self.

He who hath many friends hath none.

My best friend is the man who in wishing me well wishes it for my sake.

Misfortune shows those who are not really friends.

The antidote for fifty enemies is one friend.

Humor is the only test of gravity, and gravity of humor; for a subject which will not bear raillery is suspicious, and a jest which will not bear serious examination is false wit.

Anybody can become angry - that is easy, but to be angry with the right person and to the right degree and at the right time and for the right purpose, and in the right way - that is not within everybody's power and is not easy.

It is simplicity that makes the uneducated more effective than the educated when addressing popular audiences.

How many a dispute could have been deflated into a single paragraph if the disputants had dared to define their terms?

When the storytelling goes bad in society, the result is decadence. (Think Hollywood)

We make war that we may live in peace.

It is more difficult to organize a peace than to win a war; but the fruits of victory will be lost if the peace is not organized.

A tyrant must put on the appearance of uncommon devotion to religion. Subjects are less apprehensive of illegal treatment from a ruler whom they consider god-fearing and pious. On the other hand, they do less easily move against him, believing that he has the gods on his side.

No great genius has ever existed without some touch of madness.

Great men are always of a nature originally melancholy. (LOL)

There is a foolish corner in the brain of the wisest man.

Republics decline into democracies and democracies degenerate into despotisms.

Suffering becomes beautiful when anyone bears great calamities with cheerfulness, not through insensibility but through greatness of mind.

The worst form of inequality is to try to make unequal things equal.

First, have a definite, clear practical ideal; a goal, an objective. Second, have the necessary means to achieve your ends; wisdom, money, materials, and methods. Third, adjust all your means to that end.

For what is the best choice, for each individual is the highest it is possible for him to achieve

It concerns us to know the purposes we seek in life, for then, like archers aiming at a definite mark, we shall be more likely to attain what we want.

Pleasure in the job puts perfection in the work.

It is the mark of an instructed mind to rest satisfied with the degree of precision which the nature of the subject admits and not to seek exactness when only an approximation of the truth is possible.

Never discourage anyone who continually makes progress, no matter how slow.

The one exclusive sign of thorough knowledge is the power of teaching.