The political problem of mankind is to combine three things: economic efficiency, social justice and individual liberty.

The social object of skilled investment should be to defeat the dark forces of time and ignorance which envelope our future.

It would not be foolish to contemplate the possibility of a far greater progress still.

The difficulty lies not so much in developing new ideas as in escaping from old ones.

There is no harm in being sometimes wrong - especially if one is promptly found out.

The avoidance of taxes is the only intellectual pursuit that still carries any reward.