1. Happiness is the greatest thing in life! ——Gorky

2. Friends will know us when we are happy; we will know our friends when we are in trouble. ——Collins

3. A person with truly great talent will feel the highest degree of happiness in the process of work. ——Goethe

4. Happiness is the vitality of the spirit and body, hope and faith, confidence in one's own present and future, and confidence that everything should proceed this way.

——Gogol