Not To Unlearn What You Have Learned

To All My Friends Without Distinction I Am Ready To Display My Opulence: Come One, Come All; And Whosoever Likes To Take A Share Is Welcome To The Wealth That Lies Within My Soul.

It Is Better To Fall In With Crows Than With Flatterers; For In The One Case You Are Devoured When Dead, In The Other Case While Alive.

As Rust Corrupts Iron, So Envy Corrupts Man.

Pay Attention To Your Enemies, For They Are The First To Discover Your Mistakes.

Not To Unlearn What You Have Learned Is The Most Necessary Kind Of Learning.