We assume therefore that moral virtue is the quality of acting in the best way in relation to pleasures and pains, and that vice is the opposite.

The appropriate age for marrige is around eighteen and thirty-seven for man

No one chooses what does not rest with himself, but only what he thinks can be attained by his own act.

When you are lonely, when you feel yourself an alien in the world, play Chess. This will raise your spirits and be your counselor in war

. .we would have to say that hereditary succession is harmful. You may say the king, having sovereign power, will not in that case hand over to his children. But it is hard to believe that: it is a difficult achievement, which expects too much virtue of human nature.

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 physician himself, if sick, actually calls in another physician, knowing that he cannot reason correctly if required to judge his own condition while suffering.