If it weren’t for bad luck, I wouldn’t have any luck at all.
I always cheer up immensely if an attack is particularly wounding because I think, well, if they attack one personally, it means they have not a single political argument left.
I ask you to look both ways. For the road to a knowledge of the stars leads through the atom and important knowledge of the atom has been reached through the stars.
Emc (Energy equals mass times the square of the speed of light.) Original statement If a body gives off the energy L in the form of radiation, its mass diminshes by Lc.
It is hard to fail, but it is worse never to have tried to succeed. In this life we get nothing save by effort.
When I read great literature, great drama, speeches, or sermons, I feel that the human mind has not achieved anything greater than the ability to share feelings and thoughts through language.
Do the thing you fear to do and keep on doing it… that is the quickest and surest way ever yet discovered to conquer fear.