If I am walking with two other men, each of them will serve as my teacher. I will pick out the good points of the one and imitate them, and the bad points of the other and correct them in myself.
Nobody ever launched an attack without having misgivings beforehand, You ought to have misgivings before; but when the moment of action is come, the hour of misgivings is passed. It is often not possible to go backward from a course which has been adopted in war. A man must answer "Aye" or "No" to the great questions which are put, and by that decision he must be bound.
Where is he who seeing a thousand men useless and unhappy, and making the whole region forlorn by their inaction, and conscious himself of possessing the faculty they want, does not hear his call to go and be their king?
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.
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.