The secret of happiness is this: let your interests be as wide as possible, and let your reactions to the things and persons that interest you be as far as possible friendly rather than hostile. Bertrand Russell
The sexes were made for each other, and only in the wise and loving union of the two is the fullness of health and duty and happiness to be expected. William Hall
The sum of the whole is plainly this: The nature of man considered in his single capacity, and with respect only to the present world, is adapted and leads him to attain the greatest happiness he can for himself in the present world. Joseph Butler