"I have reached an age when if someone tells me to wear socks, I don't have to."

"The important thing is not to stop questioning. Curiosity has its own reason for existence."

"The most beautiful experience we can have is the mysterious. It is the fundamental emotion which stands at the cradle of true art and true science."

"Marriage is the unsuccessful attempt to make something lasting out of an incident."

"A man should look for what is, and not for what he thinks should be."