Without forgetting it is quite impossible to live at all.
The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.
The purpose of psychology is to explain how we manage to live.
Success in business requires training and discipline and hard work. But if you're not frightened by these things, the opportunities are just as great today as they ever were.