Abstract knowledge is always useful, sooner or later.

A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.

Never worry about theory as long as the machinery does what it's supposed to do.

It's up to the artist to use language that can be understood, not hide it in some private code. Most of these jokers don't even want to use language you and I know or can learn . . . they would rather sneer at us and be smug, because we 'fail' to see what they are driving at. If indeed they are driving at anything--obscurity is usually the refuge of incompetence.

If you've got the truth you can demonstrate it. Talking doesn't prove it.

In past history popularly elected governments have been no better and sometimes far worse than overt tyrannies.

Random chance was not a sufficient explanation of the Universe---in fact, random chance was not sufficient to explain random chance; the pot could not hold itself.