I have not failed. I've just found 10,000 ways that won't work.
The only true wisdom is in knowing you know nothing.
The only way to do great work is to love what you do.
The only limit to our realization of tomorrow will be our doubts of today.
The journey of a thousand miles begins with one step.
Happiness is not something ready-made. It comes from your own actions.
The best way to predict the future is to create it.

The only thing necessary for the triumph of evil is for good men to do nothing.

It is never too late to be what you might have been.
In the end, it's not the years in your life that count. It's the life in your years.

Life is what happens when you're busy making other plans.
The future belongs to those who believe in the beauty of their dreams.