I had hit him in his male pride. Unless you intend to kill him immediately thereafter, never kick a man in the balls. Not even symbolically. Or perha… - Robert A. Heinlein

Everything is theoretically impossible, until it’s done. One could write a history of science in reverse by assembling the solemn pronouncements of highest authority about what could not be done and could never happen.

Nothing of value is free. Even the breath of life is purchased at birth only through gasping effort and pain.

My wife Ticky is an anarchist-individualist ... When she was in the Navy during the early 'forties she showed up one morning in proper uniform but with her red hair held down by a simple navy-blue band — a hair ribbon. It was neat (Ticky is always neat) and it suited the rest of her outfit esthetically, but it was undeniably a hair ribbon and her division officer had fits. "If you can show me," Ticky answered with simple dignity, "where it says one word in the Navy Uniform Regulations on the subject of hair ribbons, I'll take it off. Otherwise not."
See what I mean? She doesn't have the right attitude.