Aristotle
Every line we've sourced
One swallow doesn't make a spring.
"for one swallow or one fine day does not make a spring, nor does one day or any small space of time make a blessed or happy man"
Nicomachean Ethics 1.7, F. H. Peters, 1881
You become a builder by building. Good by doing good.
"we become builders by building, and harpers by harping. And so by doing just acts we become just"
Nicomachean Ethics 2.1, F. H. Peters, 1881
A friend is another self.
"his friend is another self"
Nicomachean Ethics 9.4, F. H. Peters, 1881
A friend: one soul living in two bodies.
"He was once asked what a friend is; and his answer was: One soul abiding in two bodies"
Diogenes Laertius, Lives 5, C. D. Yonge, 1853
Learning has bitter roots and sweet fruit.
"It was a saying of his that the roots of education were bitter, but the fruit sweet"
Diogenes Laertius, Lives 5, C. D. Yonge, 1853
Liars win this: no one believes them when they tell the truth.
"They gain this ... that when they speak truth they are not believed"
Diogenes Laertius, Lives 5, C. D. Yonge, 1853
What ages fastest? Gratitude.
"Once he was asked what grew old most speedily, and he replied: Gratitude"
Diogenes Laertius, Lives 5, C. D. Yonge, 1853
Talking trash about me? He can hit me too, as long as I'm not there.
"Having heard that he was abused by someone, he said: He may beat me too, if he likes, in my absence"
Diogenes Laertius, Lives 5, C. D. Yonge, 1853
Don't brag about your great city. Be worthy of one.
"That is not what one ought to look at, but whether one is worthy of a great city"
Diogenes Laertius, Lives 5, C. D. Yonge, 1853