An investment in knowledge pays the best interest.
Revelation, indeed, as such had no influence on my mind
A word to the wise is enough, and many words won't fill a bushel.
Remember not only to say the right thing in the right place, but far more difficult still, to leave unsaid the wrong thing at the tempting moment.
Teach your child to hold his tongue; he'll learn fast enough to speak.
We are all born ignorant, but one must work hard to remain stupid.