There Are People Who Make No Mistakes

He Who Does Not Know Foreign Languages Does Not Know Anything About His Own.

He Who Serves The Public Is A Poor Animal; He Worries Himself To Death And No One Thanks Him For It.

Certain Defects Are Necessary For The Existence Of Individuality.

Doubt Grows With Knowledge.

It's True That Nothing In This World Makes Us So Necessary To Others As The Affection We Have For Them.