Wealth is the number of things one can do without.

When I look back at the past and think of all the time I squandered in error and idleness,... then my heart bleeds. Life is a gift... every minute could have been an eternity of happiness! If only youth knew! Now my life will change; now I will be reborn.

It is easier for a Russian to become an atheist than for anyone else in the world.

If God does not exist, everything is permitted.

Every man has some reminiscences which he would not tell to everyone, but only to his friends.

Happiness does not lie in happiness, but in the achievement of it.

Nothing is more seductive for a man than his freedom of conscience, but nothing is a greater cause of suffering.