“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.”

“My brain more busy than the labouring spider Weaves tedious snares to trap mine enemies.”

“Our enemies are our outward consciences.”

“Whoever is sitting with friends is in the midst of a flower garden, though he may be in the fire. Whoever sits with an enemy is in the fire, even though he is in the midst of a garden.”