There are no limitations to the mind except those we acknowledge.
Gravity is only the bark of wisdom's tree; but it preserves it
We thought that we had the answers, it was the questions we had wrong.
Let him who would move the world first move himself.
But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.
The first thing you'll have to do, is the last thing you wished.
Be realistic: Plan for a miracle
You cannot truly listen to anyone and do anything else at the same time.
A proverb is much matter distilled into few words.
You don't become what you want, you become what you believe
What lies behind us and what lies ahead of us are tiny matters compared to what lives within us.
He who is slowest in making a promise is most faithful in its performance.
Nature is pleased with simplicity. And nature is no dummy
A perfection of means, and confusion of aims, seems to be our main problem.
We choose our joys and sorrows long before we experience them.
It is hard to fight desire; but to control it is the sign of a reasonable man.
If you place your head in a lion's mouth, then you cannot complain one day if he happens to bite it off.
One who loses wealth loses much. One who loses a friend loses more. But one who loses courage loses all.
In the midst of movement and chaos, keep stillness inside of you.
Adapt what is useful, reject what is useless, and add what is specifically your own.
Almost every wise saying has an opposite one, no less wise, to balance it.