Not life, but good life, is to be chiefly valued." "It is not living that matters, but living rightly. The unexamined life is not worth living.

...one thing I am ready to fight for as long as I can, in word and act: that is, that we shall be better, braver and more active men if we believe it right to look for what we don't know than if we believe there is no point in looking because what we don't know we can never discover.

A system of morality that is based on relative emotional values is a mere illusion, a thoroughly vulgar conception that has nothing sound in it and nothing true.

The cure of many diseases remains unknown to the physicians of Hellos (Greece) because they do not study the whole person.

Obligation sends the children to bed on time, but love tucks the covers in around their necks and passes out kisses and hugs. Yesterday is about experience; tomorrow is about hope; today is about transitioning from one to the other. The happiest people on earth don't have the best of everything... they make the best of everything I cannot teach anybody anything, I can only make them think.

The understanding of mathematics is necessary for a sound grasp of ethics.

It is not difficult to avoid death. It is much more difficult to avoid wickedness, for it runs faster than death.