Anton Chekhov, the famous Russian writer, is the author of many of the phrases and expressions. For example, "Берегите в себе человека" (=Save the human in you).
Other catch phrases of Anton Chekhov:
Beware of the refined language. The language should be simple and elegant.
In man should be beautiful: the face, the clothes, and soul, and mind.
Only fools and charlatans knows all.
What a great happiness to love and be loved.
Brevity - the soul of wit.
A real man consists of husband and rank.
Never too early to ask: do I a deed or trifles?
One pain is always reduces another. If you step on the tail of a cat that has a toothache, and it will feel better.
Indifference - a paralysis of the soul, premature death.
Clever man loves to learn, and a fool - to teach.
Honor can not be taken away, it can be lost.
[To be a free man] ... Need to squeeze a drop by drop of self a slave.