The One Exclusive Sign Of

A Friend Is Simply One Soul In Two Bodies.

At First He Who Invented Any Art That Went Beyond The Common Perceptions Of Man Was Naturally Admired By Men, Not Only Because There Was Something Useful In The Inventions, But Because He Was Thought Wise And Superior To The Rest. But As More Arts Were Invented, And Some Were Directed To The Necessities Of Life, Others To Its Recreation, The Inventors Of The Latter Were Always Regarded As Wiser Than The Inventors Of The Former, Because Their Branches Of Knowledge Did Not Aim At Utility.

We Do Not Know A Truth Without Knowing Its Cause.

All Food Must Be Capable Of Being Digested, And That What Produces Digestion Is Warmth; That Is Why Everything That Has Soul In It Possesses Warmth.

The One Exclusive Sign Of Thorough Knowledge Is The Power Of Teaching.