Happiness depends upon ourselves.

Knowing yourself is the beginning of all wisdom.

Wishing to be friends is quick work, but friendship is a slow ripening fruit.

I have gained this by philosophy; I do without being ordered what some are constrained to do by their fear of the law.

Patience is bitter, but its fruit is sweet.

To write well, express yourself like the common people, but think like a wise man.

Those who educate children well are more to be honored than they who produce them; for these only gave them life, those the art of living well.

Be a free thinker and don't accept everything you hear as truth.

Be critical and evaluate what you believe in.

We are what we repeatedly do. Excellence then, is not an act, but a habit.

It is the mark of an educated mind to be able to entertain a thought without accepting it.

If you want your life to smile at you,
give your good mood first.

What we have to learn to do,
we learn by doing.

Educating the mind without educating the heart is no education at all.

Pleasure in the job puts
perfection in the work.

Excellence is never an accident.
It is always the result of high intention, sincere effort, and intelligent execution; it represents the wise choice of many alternatives
- choice, not chance, determines your destiny.

The energy of the mind is the essence of life.

Those who know, do.
Those that understand, teach.