Thinking is the hardest work there is, which is the probable reason why so few people engage in it

Henry Ford

The man who does not read good books has no advantage over the man who can’t read them.

Mark Twain

If we all did the things we are capable of doing, we would literally astound ourselves.

Thomas Edison

Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid

Albert Einstein