The only true wisdom is in knowing you know nothing.
Happiness is not something ready-made. It comes from your own actions.
Strive not to be a success, but rather to be of value.
You must be the change you wish to see in the world.
I have not failed. I've just found 10,000 ways that won't work.
Life is what happens when you're busy making other plans.
The only way to do great work is to love what you do.

Don't cry because it's over, smile because it happened.
In the end, it's not the years in your life that count. It's the life in your years.
The best way to predict the future is to invent it.
It does not matter how slowly you go as long as you do not stop.
The only limit to our realization of tomorrow will be our doubts of today.