Theories are private property, but truth is common stock. – Charles Caleb Colton

We take care of our health, we lay up money, we make our roof tight and our clothing sufficient, but who provides wisely that he shall not be wanting the best property of all – friends? – Ralph Waldo Emerson

It is preoccupation with possession, more than anything else, that prevents men from living freely and nobly. – Bertrand Russell, Principles of Social Reconstruction, 1917