“It is perilous to study too deeply the arts of the Enemy, for good or for ill.”
“I'm an unabashed elitist. Everyone needs a good editor, and there is peril in worshiping amateurism and the unedited in science, art, and journalism.”
“We have not given science too big a place in our education, but we have made a perilous mistake in giving it too great a preponderance in method in every other branch of study.”
“Know the enemy and know yourself; in a hundred battles you will never be in peril. When you are ignorant of the enemy, but know yourself, your chances of winning or losing are equal. If ignorant both of your enemy and yourself, you are certain in every battle to be in peril.”
“If ignorant both of your enemy and yourself, you are certain to be in peril.”
“A common defect of modern art study is that too many students do not know why they draw.”