Science is not a sacred ...

Science is not a sacred cow-but there are a large number of would-be sacred cowherds busily devoting quantities of time, energy and effort to the task of making it one, so they can be sacred cowherds.
Science is not a sacred cow-but there are a large number of would-be sacred cowherds busily devoting quantities of time, energy and effort to the task of making it one, so they can be sacred cowherds.
 John W. Campbell

More phrases

Being self-made is a state of mind, and once you put that mentality to work, your success will come.
 Dave East
A lot of people change for good. Some people just fall off. Just trying to progress in anything, no matter what you're doing, I feel like any progression you make... some people aren't gonna be around you that were around you.
 Dave East
Effort only fully releases its reward after a person refuses to quit.
Never complain and never explain.
A good plan violently executed now is better than a perfect plan executed next week.
 George S. Patton

Quotes from the same author

Immunity corrupts; absolute immunity corrupts absolutely.
 John W. Campbell
Never accept the initial premise of the opposition.
 John W. Campbell
No literature is sound, no philosophy of action workable, if it doesn't take a hard look at itself.
 John W. Campbell