It's always too early to quit.
Climbing to the top demands strength, whether it is to the top of Mount Everest or to the top of your career.
Keep your face always toward the sunshine - and shadows will fall behind you.
Man needs his difficulties because they are necessary to enjoy success.
Whatever you do will be insignificant, but it is very important that you do it.
Change will not come if we wait for some other person, or if we wait for some other time. We are the ones we've been waiting for. We are the change that we seek.
Be happy, but never satisfied.
We have been called to heal wounds, to unite what has fallen apart, and to bring home those who have lost their way.
To succeed in your mission, you must have single-minded devotion to your goal.
The starting point of all achievement is desire.
The duty of youth is to challenge corruption.
A hero is no braver than an ordinary man, but he is brave five minutes longer.
Everything you want is out there waiting for you to ask. Everything you want also wants you. But you have to take action to get it.
If you want creative workers, give them enough time to play.
If you can accept losing, you can't win.
We delight in the beauty of the butterfly, but rarely admit the changes it has gone through to achieve that beauty.
My dear friend, clear your mind of cant.
Wealth is not about having a lot of money; it's about having a lot of options.
Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young.
Lend yourself to others, but give yourself to yourself.
Never stand begging for what one has the power to earn.