Each man is capable of doing one thing well. If he attempts several, he will fail to achieve distinction in any.
PlatoThat makes me think, my friend, as I have often done before, how natural it is that those who have spent a long time in the study of philosophy appear ridiculous when they enter the courts of law as speakers. Those who have knocked about in courts and the like from their youth up seem to me, when compared with those who have been brought up in philosophy and similar pursuits, to be as slaves in breeding compared with freemen.
PlatoAnd once we have given our community a good start,' I pointed out, ' the process will be cumulative. By maintaining a sound system of education you produce citizens of good character, and citizens of sound character, with the advantage of a good education, produce in turn children better than themselves and better able to produce still better children in their turn, as can be seen with animals.
Plato