Knowledge is of no value unless you put it into practice.
Anton Chekhov
Love, friendship and respect do not unite people as much as a common hatred for something.
Anton Chekhov
No psychologist should pretend to understand what he does not understand... Only fools and charlatans know everything and understand nothing.
Anton Chekhov
The world perishes not from bandits and fires, but from hatred, hostility, and all these petty squabbles.