Nothing is pure and entire of a piece. All advantages are attended with disadvantages. A universal compensation prevails in all conditions of being and existence.
The great end of all human industry is the attainment of happiness
No advantages in this world are pure and unmixed.
Human Nature is the only science of man; and yet has been hitherto the most neglected.
The unhappy of all men is he who believes himself to be so.
All power, even the most despotic, rests ultimately on opinion.