Do not wait for an opportunity to be all that you want to be.

There is a science of getting rich, and it is an exact science, like algebra or arithmetic. There are certain laws which govern the process of acquiring riches, and once these laws are learned and obeyed by anyone, that person will get rich with mathematical certainty.

It is the natural and inherent impulse of life to seek to live more, it is the nature of intelligence to enlarge itself, and of consciousness to seek to extend its boundaries and find fuller expression.

The very best thing you can do for the whole world is to make the most of yourself.

The man who is wise enough to know the right thing to do, who is good enough to wish to do only the right thing, and who is able and strong enough to do the right thing is a truly great man.

The really great man is often considered selfish by a large group of people who are connected with him and who feel that he might bestow upon them more benefits than he does.

An ounce of doing things is worth a pound of theorizing.