a nod is as good as a wink to a blind man

a nod is as good as a wink to a blind man

proverb It is unnecessary to explain or elaborate upon something because one already understands or knows about it in full. No need to tell me what you were up to last night—a nod's as good as a wink to a blind man.
See also: blind, good, man, nod, wink
Farlex Dictionary of Idioms.
See also:
  • teach a man to fish
  • the best-laid plans
  • the best-laid plans go astray
  • the best-laid plans of mice and men
  • best-laid plans go astray, the
  • village
  • it takes a village
  • a little knowledge is a dangerous thing
  • a little learning is a dangerous thing
  • for want of a nail