We praise a man who feels angry on the right grounds and against the right persons and also in the right manner at the right moment and for the right length of time.
AristotleIt is the mark of an educated mind to rest satisfied with the degree of precision which the nature of the subject admits and not to seek exactness where only an approximation is possible.
AristotleAt first he who invented any art that went beyond the common perceptions of man was naturally admired by men, not only because there was something useful in the inventions, but because he was thought wise and superior to the rest. But as more arts were invented, and some were directed to the necessities of life, others to its recreation, the inventors of the latter were always regarded as wiser than the inventors of the former, because their branches of knowledge did not aim at utility.
AristotleThe man with a host of friends who slaps on the back everybody he meets is regarded as the friend of nobody.
Aristotle