Leonardo da Vinci on envy

Iron rusts from disuse; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigor of the mind.

Simplicity is the ultimate sophistication.

Anyone who invokes authors in discussion is not using his intelligence but his memory.

Such men as he be never at heart’s ease whiles they behold a greater than themselves, and therefore are they very dangerous.

William Shakespeare1564–1616Julius Caesar (1623), Julius Cæsar (1599), Act I, scene 2, line 208.In context

Love looks through a telescope; envy, through a microscope.

Josh Billings1818–1885

• Love

I am Envy. I cannot read and therefore wish all books burned.

Christopher Marlowe1564–1593