In any moment of decision, the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.Theodore Roosevelt
Rhetoric is a poor substitute for action, and we have trusted only to rhetoric. If we are really to be a great nation, we must not merely talk; we must act big.Theodore Roosevelt
Two roads diverged in a wood and I - I took the one less traveled by, and that has made all the difference.Robert Frost
It's always a tough call deciding whether, as a scientist, you should argue publicly with the creationists. It's a dilemma that I encounter frequently in another subject area: Does it make sense to bandy words with someone from the UFO community?Seth Shostak
The new ruler must determine all the injuries that he will need to inflict. He must inflict them once and for all.Niccolo Machiavelli