“I personally believed, at least in 1914 when predator control began, that there could not be too much horned game, and that the extirpation of predators was a reasonable price to pay for better big game hunting. Some of us have learned since the tragic error of such a view, and acknowledged our mistake. One must judge from the present volume that the Fish and Wildlife Service does not see any mistake.”

“Human beings learn from their errors and error during a process can have educational effect, but why the humans make the mistakes? Because the process of education is the one of learning from errors. It means that the ones make the mistakes and this gives them the power of motivational ability.”

“I'm not a big-game hunter. I've made that very clear. I've always been a rodent and rabbit hunter. Small varmints, if you will. I began when I was 15 or so and I have hunted those kinds of varmints since then. More than two times.”

“It's said that a wise person learns from his mistakes. A wiser one learns from others' mistakes. But the wisest person of all learns from others's successes.”

“The general consensus is that we gain wisdom and learn from our failures and mistakes; however, many do not accept the rationale of their errors and thus continually repeat them; therefore, when we do not acknowledge our missteps ignorance prevails.”

“I, too, believe there are natural rights that predate any written political or legal documents; we have these rights merely because we're children of God.”

“To make no mistakes is not in the power of man; but from their errors and mistakes the wise and good learn wisdom for the future.”

“Many years ago I used to read books like, for example, Ernest Thompson Seton's Lives of Game Animals to learn about animal behavior. But after a certain point, after living in the woods for a while, I developed an aversion to reading any scientific accounts. In some sense reading what the professional biologists said about wildlife ruined or contaminated it for me. What began to matter to me was the knowledge I acquired about wildlife through personal experience.”

“Some of the best lessons we ever learn are learned from past mistakes. The error of the past is the wisdom and success of the future.”

“Some of us learn from other people’s mistakes and the rest of us have to be other people.”