" The important thing is not to stop questioning. Curiosity has its own reason for existing."
"Two things are infinite: the universe and human stupidity; and I’m not sure about the universe."
"Life is like riding a bicycle. To keep your balance you must keep moving."
"Education is what remains after one has forgotten what one has learned in school."
"Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning."
"A person who never made a mistake never tried anything new."
"That is the way to learn the most. When you are doing something with such enjoyment that you don’t notice that the time passes."
"Peace cannot be kept by force: It can only be achieved by understanding."