Men Are Themselves The Source

A Common Error Of Ignorance Is To Maintain That What One Does Not Know Does Not Exist.

Practice By Drawing Things Large, As If Equal In Representation And Reality. In Small Drawings Every Large Weakness Is Easily Hidden; In The Large, The Smallest Weakness Is Easily Seen.

As Ability Goes, So Goes Our Fortune.

Philosophers Say That Nothing Can Be Seen That Is Neither Illuminated Nor Colored.

It Was Never Shameful To Learn From Any Teacher Things That Are Useful To Know.