To succeed in your mission, you must have single-minded devotion to your goal.
To see me does not necessarily mean to see my face. To understand my thoughts is to have seen me.
People who say it cannot be done should not interrupt those who are doing it.
First ask yourself: What is the worst that can happen? Then prepare to accept it. Then proceed to improve on the worst.
There is nothing in a caterpillar that tells you it's going to be a butterfly.
Don't fear failure. Not failure, but low aim, is the crime. In great attempts it is glorious even to fail.
Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.
Whenever a negative thought concerning your personal power comes to mind, deliberately voice a positive thought to cancel it out.
The unexamined life is not worth living.
Man needs his difficulties because they are necessary to enjoy success.
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.
Above all things, respect yourself.
I can be changed by what happens to me. But I refuse to be reduced by it.
If you want a thing done well, do it yourself.
If you can't you must, and if you must you can.
Plan your work - work your plan. Lack of system produces that 'I'm swamped' feeling.
The marble not yet carved can hold the form of every thought the greatest artist has.
I just couldn't take school seriously: I had this guitar neck with four frets which I kept hidden under the desk. It had strings on it so I would practice my chord shapes under the desk and that's about all I did at school.
I confess that in 1901 I said to my brother Orville that man would not fly for fifty years.
Lack of direction, not lack of time, is the problem. We all have twenty-four hour days.
It's all to do with the training: you can do a lot if you're properly trained.