The secret of success is constancy to purpose.

The leader of genius must have the ability to make different opponents appear as if they belonged to one category.

There is little success where there is little laughter.

We are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress.

The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack in will.

No business which depends for existence on paying less than living wages to its workers has any right to continue in this country

Thinking is the hardest work there is, which is probably the reason so few engage in it.

If A is success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut.

The destination of the seeker… depends on the road he takes.

Be interesting, be enthusiastic... and don't talk too much.

If you wish success in life, make perseverance your bosom friend, experience your wise counselor, caution your elder brother and hope your guardian genius.

There is one weakness in people for which there is no remedy. It is the universal weakness of lack of ambition.

If I had eight hours to chop down a tree, I'd spend six hours sharpening my axe.

If you aim at nothing, you will hit it every time.

Old Professors never die, they just lose their faculties.

Discipline is the bridge between goals and accomplishment.

You've got to be very careful if you don't know where you're going, because you might not get there.

It's fine to celebrate success but it is more important to heed the lessons of failure.

One can have no smaller or greater mastery than mastery of oneself.

Fake it until you make it.

The way to get started is to quit talking and begin doing.