The single harmony produced by all the heavenly bodies singing and dancing together springs from one source and ends by achieving one purpose, and has rightly bestowed the name not of 'disordered' but of 'ordered universe' upon the whole.

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.

He who has overcome his fears will truly be free.

It is sure better not to say that the mind pities, learns, or think, but that the man does these with his mind. The energy of the mind is the essence of life. All living things being 'mindful' the kind of function depending on their complexity.

Happiness is the settling of the soul into its most appropriate spot. Happiness depends upon ourselves.

For though we love both the truth and our friends, piety requires us to honor the truth first. Knowing yourself is the beginning of all wisdom.

Happiness is the meaning and the purpose of life, the whole aim and end of human existence.