How long should you try? Until.

I will never be by violence constrained to do anything.

I am not bound to win, but I am bound to be true. I am not bound to succeed, but I am bound to live by the light that I have. I must stand with anybody that stands right, and stand with him while he is right, and part with him when he goes wrong.

Ability is what you're capable of doing. Motivation determines what you do. Attitude determines how well you do it.

Victory is for those who can say 'Victory is mine'. Success is for those who can begin saying 'I will succeed' and say 'I have succeeded' in the end.

People who are unable to motivate themselves must be content with mediocrity, no matter how impressive their other talents.

We cannot direct the wind, but we can adjust the sails.

Ideas come from everything

Know thyself.

A lot of legends, a lot of people, have come before me. But this is my time.

When obstacles arise, you change your direction to reach your goal; you do not change your decision to get there.

We all have possibilities we don't know about. We can do things we don't even dream we can do.

Be more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are.

Don't complain about the snow on your neighbor's roof when your own doorstep is unclean.

Winning isn't everything but wanting to win is.

To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.

Everything you can imagine is real.

I confess that in 1901 I said to my brother Orville that man would not fly for fifty years.

I have a dream that one day little black boys and girls will be holding hands with little white boys and girls.

Question with boldness even the existence of God; because, if there be one, he must more approve of the homage of reason than that of blindfolded fear.

The key to immortality is first living a life worth remembering.