Hidden away in the inner nature of the real man is the law of his life, and someday he will discover it and consciously make use of it. He will heal himself, make himself happy and prosperous, and life in an entirely different world. For he will have discovered that life is from within and not from without.

The borrower runs in his own debt.

Genius detects through the fly, through the caterpillar, through the grub, through the egg, the constant individual; through countless individuals the fixed species; through many species the genus; through all genera the steadfast type; through all the kingdoms of organized life the eternal unity. Nature is a mutable cloud which is always and never the same.

Genius seems to consistent merely in trueness of sight.

The wise through excess of wisdom is made a fool.

Nature has made up her mind that what cannot defend itself shall not be defended.

A man's growth is seen in the successive choirs of his friends.