The person who stops studying merely because he has finished school is forever hopelessly doomed to mediocrity, no matter what may be his calling. The way of success is the way of continuous pursuit of knowledge.

One of the most essential yet the hardest truths that I have had to learn is that every person should be his own hardest task-master.

Your associates can be priceless.

They [the people under you] may desire help, but more than anything else they desire sympathy. Don't make the mistake of turning such men down with the statement that you have troubles of your own.

No man can avail himself of the forces of his creative imagination, while dissipating them.

If you are influenced by the opinions of others, you will have no DESIRE of your own.

Concentration, itself, is nothing but a matter of control of the attention! Learn to fix your attention on a given subject, at will, for whatever length of time you choose, and you will have learned the secret passage-way to power and plenty! This is concentration!