Anything you're good at contributes to happiness. - Bertrand Russell

"To fear love is to fear life, and those who fear life are already 3-parts dead."

"Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric."

"I would never die for my beliefs because I might be wrong."

"The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts."

"La Ciencia en ningún momento está totalmente en lo cierto, pero rara vez está completamente equivocada y tiene en general mayores posibilidades de estar en lo cierto que las teorías no científicas."