Education consists mainly of what we have unlearned.
The test of a first rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
The deepest sin against the human mind is to believe things without evidence.
Refusal to believe until proof is given is a rational position; denial of all outside of our own limited experience is absurd.
Keep in mind my friend, if an answer is not rational, then it is not an answer, but a delusion.”
If you are going through hell, keep going.
I am heartened to find so much wit in you, that you’d give thought to consequences and choose your way with reason, not passion only.
Educating the mind without educating the heart is no education at all.
Never memorize something that you can look up.
An expert is a person who has made all the mistakes that can be made in a very narrow field.