Time, Matter, Space - All,

There Comes A Moment During Which Almost Every Girl Or Boy Falls Into Melancholy; They Are Tormented By A Vague Inquietude Which Rests On Everything And Finds Nothing To Calm It. They Seek Solitude; They Weep; The Silence To Be Found In Cloister Attracts Them: The Image Of Peace That Seems To Reign In Religious Houses Seduces Them. They Mistake The First Manifestations Of A Developing Sexual Nature For The Voice Of God Calling Them To Himself; And It Is Precisely When Nature Is Inciting Them That They Embrace A Fashion Of Life Contrary To Nature's Wish.

Give, But, If Possible, Spare The Poor Man The Shame Of Begging.

Whether God Exists Or Does Not Exist, He Has Come To Rank Among The Most Sublime And Useless Truths.

When One Compares The Talents One Has With Those Of A Leibniz , One Is Tempted To Throw Away One's Books And Go Die Quietly In The Dark Of Some Forgotten Corner.

All Abstract Sciences Are Nothing But The Study Of Relations Between Signs.