Do not be sad about what you do not have. Instead, be happy about what you do have. If you will be sad about what you don't have, you will not be happy about what you do have.
Leo TolstoyProgress consists only in the greater clarification of answers to the basic questions of life.
Leo TolstoyTrue art and true science possess two unmistakable marks: the first, an inward mark, which is this, that the servitor of art and science will fulfil his vocation, not for profit but with self- sacrifice; and the second, an external sign, his productions will be intelligible to all the people whose welfare he has in view.
Leo Tolstoy