One legged chickens, I know, are the least apt to scratch a garden.
Learning sleeps and snores in libraries, but wisdom is everywhere, wide awake, on tiptoe.
Man is my brother, and I am nearer related to him through his vices than I am through his virtue.
Caution, though very often wasted is a good risk to take.
the squeeky wheel gets the grease.
If you believe you can do something, then you can acquire the ability to do it even if you didn't have it in the beginning.