Happiness does not come from doing easy work but from the afterglow of satisfaction that comes after the achievement of a difficult task that demanded our best.

Happiness is not something ready made. It comes from your own actions.

All who joy would win must share it. Happiness was born a Twin.

Success is getting what you want. Happiness is liking what you get.

Be more dedicated to making solid achievements than in running after swift but synthetic happiness.

An effort made for the happiness of others lifts above ourselves.

Morality is not the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.

Satisfaction of one's curiosity is one of the greatest sources of happiness in life.

Happiness lies in the joy of achievement and the thrill of creative effort.

Friendship improves happiness and abates misery, by the doubling of our joy and the dividing of our grief.