The best time to plant a tree was 20 years ago. The second best time is now.
Life is what happens when you're busy making other plans.
In the end, it's not the years in your life that count. It's the life in your years.
The only way to do great work is to love what you do.
In three words I can sum up everything I've learned about life: It goes on.
Life is like riding a bicycle. To keep your balance, you must keep moving.
The best way to predict the future is to invent it.
The only thing necessary for the triumph of evil is for good men to do nothing.
It does not matter how slowly you go as long as you do not stop.
The only true wisdom is in knowing you know nothing.
The only limit to our realization of tomorrow will be our doubts of today.
I have not failed. I've just found 10,000 ways that won't work.