Happiness based on the suffering of others is not true happiness. -Babayeva

The first is the noblest thought, and the second is money; A rich society without the noblest ideas will collapse. -Dostoevsky

Behind happiness is disaster, and behind disaster is happiness. La Rochev

What a grand undertaking and a great goal it is to work for the happiness of mankind! -Saint-Simon

Only the happiness of all mankind is your happiness. -Dietzgen

Science is by no means a selfish pleasure. Those who are fortunate enough to devote themselves to scientific research should first serve mankind with their own knowledge. Marx

The purpose of all human efforts is to obtain happiness. Irving

My art should only benefit the poor. Ah, what a happy moment! How happy I should be to be close to this! -Beethoven