"We sleep safe in our beds because rough men stand ready in the night to visit violence on those who would do us harm."

"Men can only be happy when they do not assume that the object of life is happiness."

"To survive it is often necessary to fight and to fight you have to dirty yourself."

"Each generation imagines itself to be more intelligent than the one that went before it, and wiser than the one that comes after it."

"The art of progress is to preserve order amid change and to preserve change amid order."

"When ambition meets humility, we find that a single moment of clarity can change a lifetime."

"Change in all things is sweet."

"As we grow old, the beauty steals inward."