“It is not once nor twice but times without number that the same ideas make their appearance in the world.”

“And further, observing that all this indeterminate substance is in motion, and that no true predication can be made of that which changes, they supposed that it is impossible to make any true statement about that which is in all ways and entirely changeable. For it was from this supposition that there blossomed forth the most extreme view of those which we have mentioned, that of the professed followers of Heraclitus, and such as Cratylus held, who ended by thinking that one need not say anything, and only moved his finger; and who criticized Heraclitus for saying that one cannot enter the same river twice, for he himself held that it cannot be done even once.”

“That becomes clear if you try to define the objects and things which supervene in each class. Odd and even, straight and curved, number, line, and shape can be defined without change but flesh, bone, and man cannot. They are like sbub nose, not like curved.”

“The aim of art is to represent not the outward appearance of things, but their inward significance.”

“We must be neither cowardly nor rash but courageous.”

“One swallow does not make a summer, neither does one fine day; similarly one day or brief time of happiness does not make a person entirely happy.”

“It is also in the interests of the tyrant to make his subjects poor... the people are so occupied with their daily tasks that they have no time for plotting.”