Only idiots refuse to change their minds.
There is an art, or rather a knack to flying. The knack lies in learning how to throw yourself at the ground and miss.
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact
A mistake is always forgivable, rarely excusable and always unacceptable.
Knowing is not enough, we must apply. Willing is not enough, we must do.
The cure for pain is in the pain.
Just remember, once you're over the hill you begin to pick up speed.
Today you are you! That is truer than true! There is no one alive who is you-er than you!
The first method for estimating the intelligence of a ruler is to look at the men he has around him.
Knowing yourself is the beginning of all wisdom.
Why fit in when you were born to stand out?
To be wronged is nothing unless you continue to remember it.
Talent is God given. Be humble. Fame is man-given. Be grateful. Conceit is self-given. Be careful.
Men are not prisoners of fate, but only prisoners of their own minds.
If you buy what you do not need, you will need what you cannot buy.
Strength does not come from physical capacity. It comes from an indomitable will.
Destiny is not a passive agent that lies in the lap of the Gods, but is an active instrument that lies in your own hands to shape as you will.
It takes a lot of courage to show your dreams to someone else.
Stubborn and ardent clinging to one's opinion is the best proof of stupidity.
Man is the only creature who refuses to be what he is.
Your inner world has its own taste, has its own fragrance, has its own light. And it is utterly silent.