A Happy Life Is Impos­si­ble;

The Young Should Early Be Trained To Bear Being Left Alone; For It Is A Source Of Happiness And Peace Of Mind.

The Fourfold Root Of The Principle Of Sufficent Reason Is "anything Perceived Has A Cause. All Conclusions Have Premises. All Effects Have Causes. All Actions Have Motives.

A Poet Or Philosopher Should Have No Fault To Find With His Age If It Only Permits Him To Do His Work Undisturbed In His Own Corner; Nor With His Fate If The Corner Granted Him Allows Of His Following His Vocation Without Having To Think About Other People.

Friends And Acquaintances Are The Surest Passport To Fortune.

A Man Must Have Grown Old And Lived Long In Order To See How Short Life Is.