A bit and a knock, as men feed apes. [ Proverb ]

His wit invites you by his looks to come,
But when you knock, it never is at home. [ William Cowper ]

You beat your pate, and fancy wit will come;
Knock as you please, there's nobody at home. [ Pope ]

Sworn to no master, of no sect am I;
As drives the storm, at any door I knock,
And house with Montaigne now, and now with Locke. [ Pope ]

A good present need not knock long for admittance. [ Proverb ]

A knock-down argument; 'tis but a word and a blow. [ Dryden ]

Try to tame a mad horse, but knock him not at head. [ Proverb ]

He gives one knock on the iron and two on the anvil. [ Proverb ]

Do not suppose opportunity will knock twice at your door. [ Chamfort ]

Who will make a door of gold must knock a nail every day. [ English Proverb, collected by George Herbert ]

To no more purpose, than it would be to knock one's heels against the ground. [ Proverb ]

Those glorious days, when man said to man, Let us be brothers, or I will knock you down. [ Le Brun ]

Ask, and it shall be given you; seek, and ye shall find; knock, and it shall be opened to you. [ Jesus ]

Do not think of knocking out another person's brains because he differs in opinion from you. It would be as rational to knock yourself on the head because you differ from yourself ten years ago. [ Horace Mann ]

How oft my guardian angel gently cried, Soul, from thy casement look, and thou shalt see How he persists to knock and wait for thee! And, O! how often to that voice of sorrow, Tomorrow we will open, I replied. And when the morrow came I answered still, Tomorrow. [ Tome Burguillos ]

Thought is the seed of action; but action is as much its second form as thought is its first. It rises in thought, to the end that it may be uttered and acted. The more profound the thought, the more burdensome. Always in proportion to the depth of its sense does it knock importunately at the gates of the soul, to be spoken, to be done. [ Ralph Waldo Emerson ]