Make not your sail too large for your ship (Old English Proverb).
Do all the good you talk of; but talk not of all the good you do. Old English Proverb
A green winter makes a fat churchyard. Old English Proverb
“The things that ask the most of us are the things most worth having.” William Kent Krueger, Iron Lake
“Nobody has a good name in a bad mouth. Nobody has a good name in a silly mouth either. ” Booth Tarkington, The Magnificent Ambersons
A bad day never hath a good night. (Dictionary of English Proverbs/Thomas Preston)