"Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth. This remains a core principle of logical deduction."

"A good decision is based on knowledge and not on numbers."

"You should take the approach that you’re wrong. Your goal is to be less wrong."

"It is important to view knowledge as sort of a semantic tree — make sure you understand the fundamental principles."

"I do think a good framework for thinking is physics, you know, the first principles reasoning."

"Answering questions is easy, asking the right questions is what's hard."

"Physics is the only real law. Everything else is a recommendation."

"If the Vedas do not support the actions, instructions must be sought from the Smritis."

"Every man who repeats the dogma of Mill... must admit that one class is not fit to rule another class."

"Sentiment must be outlawed from the domain of science and things should be judged from an objective standpoint."

"Rules are practical; they are habitual ways of doing things... principles are intellectual."

"The beginning of wisdom is to call things by their proper name."

"The hardest thing of all is to find a black cat in a dark room, especially if there is no cat."

"Knowledge without practice is useless. Practice without knowledge is dangerous."

"He who learns but does not think is lost! He who thinks but does not learn is in great danger."