“What is not started today is never finished tomorrow.”

“Whether one show one's self a man of genius in science or compose a song, the only point is, whether the thought, the discovery, the deed, is living and can live on.”

“A person hears only what they understand.”

“Duty is the demand of the hour.”

“He who cannot draw on three thousand years is living from hand to mouth.”

“Things refuse to be mismanaged for long.”

“A man must keep an eye on his servants, if he would not have them rule him.”

“I let the argument rip healthily between the departments. This is a very good way to finding out the truth.”