of a
(dated, now dialectal, idiomatic) on every; in the (followed by a noun indicating a certain time)
Hope is the dream of a waking man. Aristotle
Speak no ill of a friend, nor even of an enemy. Pittacus of Mytilene
A journey of a thousand miles begins with a single step. Confucius
When the character of a man is not clear to you, look at his friends. Japanese Proverb
Beware of the anger of a patient man. Irish Proverb
The punishment of a liar is that he is never believed, even when he speaks the truth. Jewish Proverb