Have no fear of perfection

Have no fear of perfection you will never reach it. Do what you can, with what you have, where you are. Though no one can go back and make a new start, anyone can start from now and make a brand new end. Do not play for safety; it is the most dangerous thing in the world. You cannot cross the sea merely by standing and staring at the water. Do not let yourself indulge in vain wishes. How was Einstein able to conceive the Theory of Relativity? He said the one crucial thing that helped him was his ability to visualise: what would it be like to be riding on the end of a light beam?