None are so busy as the fool and knave.
There are several good protections against temptations, but the surest is cowardice.
A physicist is an atom's way of knowing about atoms.
A man can do all things if he but wills them.
Think of life as a terminal illness, because, if you do, you will live it with joy and passion, as it ought to be lived.
I say luck is when an opportunity comes along, and you're prepared for it.
There is no end to the adventures that we can have if only we seek them with our eyes open.