The role of the artist is to ask questions, not answer them.
I fear not the man who has practiced 10,000 kicks once, but I fear the man who had practiced one kick 10,000 times.
Only you can control your future.
One must be sane to think clearly, but one can think deeply and be quite insane.
Always bear in mind that your own resolution to succeed is more important than any other.
When you know what you want, and want it bad enough, you will find a way to get it.
Old Professors never die, they just lose their faculties.
You can't make souffle rise twice.
The majority of people who fail to accumulate money sufficient for their needs are, generally, easily influenced by the opinion of others.
I readily absorb ideas from every source, frequently starting where the last person left off
Don't spend time beating on a wall, hoping to transform it into a door.
Success is having a flair for the thing that you are doing, knowing that is not enough, that you have got to have hard work and a sense of purpose.
Dictionary is the only place that success comes before work. Hard work is the price we must pay for success. I think you can accomplish anything if you're willing to pay the price.
No man ever achieved worthwhile success who did not, at one time or other, find himself with at least one foot hanging well over the brink of failure.
No one ever is defeated until defeat has been accepted as a reality.
Percentages are why I am rich.
The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.
The whole secret of a successful life is to find out what is one's destiny to do, and then do it.
Please all, and you will please none.
Price is what you pay. Value is what you get.
If you think of yourselves as helpless and ineffectual, it is certain that you will create a despotic government to be your master. The wise despot, therefore, maintains among his subjects a popular sense that they are helpless and ineffectual.