Now commencement speakers are also expected to give some advice. They give grand advice, and they give some useful tips. The most common grand advice they give is for you to be yourself. It is an odd piece of advice to give people dressed identically, but you should — you should be yourself. But you should understand what that means. Unless you are perfect, it does not mean don’t make any changes. In a certain sense, you should not be yourself. You should try to become something better. People say ‘be yourself’ because they want you to resist the impulse to conform to what others want you to be. But you can’t be yourself if you don’t learn who are, and you can’t learn who you are unless you think about it.

Full transcript here. I’ve never seen a better commencement speech.