Dynamics
The search for happiness is one of the chief sources of unhappiness. (Eric Hoffer)
True contentment is a thing as active as agriculture. It is the power of getting out of any situation all that there is in it. It is arduous and it is rare. (G K Chesterton)
Every man's happiness is built on the unhappiness of another. (Ivan Turgenev)
Discontent is the first step in the progress of a man or a nation. (Oscar Wilde)
Just as a cautious businessman avoids tying up all his capital in one concern, so, perhaps, worldly wisdom will advise us not to look for the whole of our satisfaction from a single aspiration. (Sigmund Freud)
Back of tranquillity lies always conquered unhappiness. (David Grayson)
That action is best which procures the greatest happiness for the greatest numbers. (Francis Hutcheson)