“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.”

“Adult males are what their moms designed them.”

“Cannot we let [children] be themselves, and enjoy life in their own way? You are trying to make another you. One's enough.”

“What art can paint or gild any object in after life with the glow which nature gives to the first baubles of childhood? St. Peter's cannot have the magical power over us that the red and gold covers of our first picture-book possessed.”