Many discoveries are reserved for ages still to come . . . . Our universe is a sorry little affair unless it has in it something for every age to investigate.
Dignity increases more easily than it begins.
When modesty has once perished, it will never revive.
A coward calls himself cautious, a miser thrifty.
The young man must store up, the old man must use.
How much longer are you going to be a pupil? From now on do some teaching as well.