The stream will not permanently rise higher than the main source; and the main source of national power and national greatness is found in the average citizenship of the nation. Therefore it behooves us to do our best to see that the standard of the average citizen is kept high; and the average cannot be kept high unless the standard of the leaders is very much higher.
Governing a large country is like frying a small fish. You spoil it with too much poking. Center your country in the Tao and evil will have no power. Not that it isn't there, but you'll be able to step out of its way. Give evil nothing to oppose and it will disappear by itself.
No printed word, nor spoken plea can teach young minds what they should be. Not all the books on all the shelves - but what the teachers are themselves.
Concern for man and his fate must always form the chief interest of all technical endeavors. Never forget this in the midst of your diagrams and equations.
There is only one duty, only one safe course, and that is to try to be right and not to fear to do or say what you believe to be right. That is the only way to deserve and to win the confidence of our great people in these days of trouble.