I am always doing what I cannot do yet, in order to learn how to do it.
Make today worth remembering.
Employ your time in improving yourself by other men's writings so that you shall come easily by what others have labored hard for.
I will never be by violence constrained to do anything.
Perseverance and spirit have done wonders in all ages.
Everything you can imagine is real.
I am not what happened to me, I am what I choose to become.
He was a dreamer, a thinker, a speculative philosopher... or, as his wife would have it, an idiot.
Every problem is a gift - without problems we would not grow.
A pure hand needs no glove to cover it.
A man can't soar too high, when he flies with his own wings.
Always do what you are afraid to do.
Do not look for approval except for the consciousness of doing your best.
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.
We cannot do everything at once, but we can do something at once.
To give real service, you must add something which cannot be bought or measured with money.
The greatest accomplishment is not in never falling, but in rising again after you fall.
The key to immortality is first living a life worth remembering.
Only the wisest and stupidest of men never change.
I confess that in 1901 I said to my brother Orville that man would not fly for fifty years.
To attain the impossible, one must attempt the absurd.