Blinding ignorance does mislead us. O! Wretched mortals, open your eyes!

Men of lofty genius when they are doing the least work are most active.

Small rooms or dwellings set the mind in the right path, large ones cause it to go astray.

The deeper the feeling, the greater the pain

Just as a well-filled day brings blessed sleep, so a well-employed life brings a blessed death.

Any color is more distinctly seen when opposed to its contrary: thus, black on white, blear near yellow, green near red, and so on.

Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change his mind.