Must be yearning deep in human heart to stop other people from doing as they please.

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.

Damnit! Nationalism should stop at the stratosphere!

Obscurity is the refuge of incompetence.

If you would know a man, observe how he treats a cat.

It takes two to create a heaven, but hell can be accomplished by one.

Note the individual and subjective nature of each case. No two are alike and there is no reason to expect them to be. Each man or woman must find for himself or herself that occupation in which hard work and long hours make him or her happy. Contrariwise, if you are looking for shorter hours and longer vacations and early retirement, you are in the wrong job. Perhaps you need to take up bank robbing. Or geeking in a sideshow. Or even politics.