Sometimes you can't pay it back, so you just have to pay it forward.
Read at least one book a month. This is self-serving, obviously. It's a proven fact that people who read buy more books than people who don't read. In truth, I wish you'd read ten books a month, or at least buy that many.
until you got ice cream spilled on you, you’re not doing field work
Never make a decision until you have to.
Often think of the worst-case scenario, the "Eaten By Wolves" factor.
If I work hard enough, there will be things I can do tomorrow that I can't do today.