There are only two classes in society: those who get more than they earn, and those who earn more than they get.
The possession of a great many things, even the best of things, tends to blind one to the real value of anything.
Books worth reading are worth re-reading.
The end of reading is not more books but more life.
No man is ever old enough to know better.
The great revolution of the future will be Nature's revolt against man.