The effectiveness of work increases according to geometric progression if there are no interruptions.
Memory is a great artist. For every man and for every woman it makes the recollection of his or her life a work of art and an unfaithful record.
Men and women are not born inconstant: they are made so by their early amorous experiences.
Smile, for everyone lacks self-confidence and more than any other one thing a smile reassures them.
We owe to the Middle Ages the two worst inventions of humanity – romantic love and gunpowder.