The best way to predict the future is to invent it.
I attribute my success to this: I never gave or took any excuse.
Happiness is not something ready-made. It comes from your own actions.
The only true wisdom is in knowing you know nothing.
In three words I can sum up everything I've learned about life: it goes on.
The journey of a thousand miles begins with one step.
It does not matter how slowly you go as long as you do not stop.
In the end, it's not the years in your life that count. It's the life in your years.
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.
Life is what happens when you're busy making other plans.
The only way to do great work is to love what you do.