Noun
knock at the door
(bingo) four
Not many sounds in life, and I include all urban and rural sounds, exceed in interest a knock at the door. Charles Lamb
You knock at the door of Reality. You shake your thought wings, loosen your shoulders, and open. Rumi
Plato says, "'T is to no purpose for a sober man to knock at the door of the Muses;" and Aristotle says "that no excellent soul is exempt from a mixture of folly." Michel de Montaigne
To those who expect the Teacher to be a man, a man will bring the message; to those who expect the Teacher to be a woman, a woman must deliver it. To those who call on God, God comes. To those who knock at the door of Satan, Satan answers. There is an answer to every call. Inayat Khan
It is useless to knock at the door of a deaf man. Greek Proverb
When you go to a strange house knock at the door. Spanish Proverb