Doing good to others is not a duty, it is a joy, for it increases our own health and happiness.
Our envy always lasts longer than the happiness of those we envy.
Happiness does not consist in amusement. In fact, it would be strange if our end were amusement, and if we were to labor and suffer hardships all our life long merely to amuse ourselves. The happy life is regarded as a life in conformity with virtue. It is a life which involves effort and is not spent in amusement.
It is their character indeed that makes people who they are. But it is by reason of their actions that they are happy or the reverse.
The happiness and unhappiness of the rational, social animal depends not on what he feels but on what he does; just as his virtue and vice consist not in feeling but in doing.
Of all the things which wisdom provides to make us entirely happy, much the greatest is the possession of friendship.
The happiness of your life depends upon the quality of your thoughts.
Happy are those who dare courageously to defend what they love.
God has entrusted me with myself. No man is free who is not master of himself. A man should so live that his happiness shall depend as little as possible on external things. The world turns aside to let any man pass who knows where he is going.
How unhappy is he who cannot forgive himself.
One swallow does not make a summer, neither does one fine day; similarly one day or brief time of happiness does not make a person entirely happy.
The unhappy derive comfort from the misfortunes of others.