Aristotle

If one way be better than another, that you may be sure is nature's way.

In all things of nature there is something of the marvelous.

Quality is not an act, it is a habit.

Mothers are fonder than fathers of their children because they are more certain they are their own.

It is unbecoming for young men to utter maxims.

Men acquire a particular quality by constantly acting in a particular way.

Bad men are full of repentance.

Democracy arises out of the notion that those who are equal in any respect are equal in all respects because men are equally free, they claim to be absolutely equal.

Democracy is when the indigent, and not the men of property, are the rulers.

For though we love both the truth and our friends, piety requires us to honor the truth first.

Love is composed of a single soul inhabiting two bodies.

Thou wilt find rest from vain fancies if thou doest every act in life as though it were thy last.

Men create gods after their own image, not only with regard to their form but with regard to their mode of life.

The energy of the mind is the essence of life.

In poverty and other misfortunes of life, true friends are a sure refuge. The young they keep out of mischief to the old they are a comfort and aid in their weakness, and those in the prime of life they incite to noble deeds.

The ultimate value of life depends upon awareness and the power of contemplation rather than upon mere survival.

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

All men by nature desire knowledge.

Wit is educated insolence.

The secret to humor is surprise.