When you judge another, you do not define them, you define yourself.
There are two educations. One should teach us how to make a living and the other how to live.
There's no sense in being precise when you don't even know what you're talking about.
If you do what you've always done, you'll get what you've always gotten.
The future is uncertain but the end is always near.
One new feature or fresh take can change everything.
Each problem that I solved became a rule which served afterwards to solve other problems.
Half the world is composed of people who have something to say and can't, and the other half who have nothing to say and keep on saying it.
The one you buy will be the only one that doesn't work.
It was a melancholy secret that reality can arouse desires but never satisfy them.
Good advice is always certain to be ignored, but that's no reason not to give it.
What's done can't be undone.
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact
Every intelligent individual wants to know what makes him tick, and yet is at once fascinated and frustrated by the fact that oneself is the most difficult of all things to know.
The place where you made your stand never mattered. Only that you were there...and still on your feet.
Nothing is so strong as gentleness, nothing so gentle as real strength
Confidence is contagious. So is lack of confidence.
Don't criticize what you can't understand.
He who is slowest in making a promise is most faithful in its performance.
All great achievements require time.
Intellectuals solve problems, geniuses prevent them.