People throw stones at you and you convert them into milestones.
The men who have succeeded are men who have chosen one line and stuck to it.
We should not give up and we should not allow the problem to defeat us.
Laziness is nothing more than the habit of resting before you get tired.
If you're not prepared to be wrong, you'll never come up with anything original.
The superior man thinks only of virtue; the common man thinks only of comfort.
This is one small step for a man, one giant leap for mankind.
He who is not courageous enough to take risks will accomplish nothing in life
To give real service, you must add something which cannot be bought or measured with money.
People often say that motivation doesn't last. Well, neither does bathing - that's why we recommend it daily.
Freedom from the desire for an answer is essential to the understanding of a problem.
When I go, God's going to have to give up his favourite chair.
Ask for what you want and be prepared to get it!
Employ your time in improving yourself by other men's writings so that you shall come easily by what others have labored hard for.
It marks a big step in your development when you come to realize that other people can help you do a better job than you could do alone.
Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young.
The secret of genius is to carry the spirit of the child into old age, which means never losing your enthusiasm.
I do not care so much what I am to others as I care what I am to myself.
A Penny Saved is a Penny Earned
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.
Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present.