Today's Brains Are Yesterday's Mashed Potatoes.

We Absolutely Must Leave Room For Doubt Or There Is No Progress And No Learning. There Is No Learning Without Having To Pose A Question. And A Question Requires Doubt. People Search For Certainty. But There Is No Certainty.

We Have This Terrible Struggle To Try To Explain Things To People Who Have No Reason To Want To Know.

While I Am Describing To You How Nature Works, You Won't Understand Why Nature Works That Way. But You See, Nobody Understands That.

I'm Smart Enough To Know That I'm Dumb.

Know Your Place In The World And Evaluate Yourself Fairly, Not In Terms Of The Naïve Ideals Of Your Own Youth, Nor In Terms Of What You Erroneously Imagine Your Teacher's Ideals Are.