Either war is obsolete, or men are.
Never show unfinished work.
Nature is all that we think we know plus all that we don't know whether or not we know that we don't know it.
You can never learn less; you can only learn more.
Every child has an enormous drive to demonstrate competence.
All children are born geniuses; 9,999 out of every 10,000 are swiftly, inadvertently degeniusized by grownups.