Andrew Carnegie — "I believe that the best way to learn is to teach."

"The parent who leaves his son enormous wealth generally deadens the talents and energies of the son, and tempts him to lead a less useful and less worthy life than he otherwise would."

"Think of yourself as on the threshold of unparalleled success. A whole, clear, glorious life lies before you. Achieve! Achieve!"

"The man who works for the common good is the man who will be happy."

"And here is the prime condition of success, the great secret: concentrate your energy, thought, and capital exclusively upon the business in which you are engaged. Having begun in one line, resolve to…"

"The law of competition, therefore, it may be said, is here, for the present, at least, and for the individual, beneficial, because it insures the survival of the fittest in every department."