Three passions, simple but overwhelming, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind. – Bertrand Russell, Autobiography, 1967
We look for some reward of our endeavours and are disappointed; not success, not happiness, not even peace of conscience, crowns our ineffectual efforts to do well. – Robert Louis Stevenson, “Pulvis et umbra,” 1888