“Yet some happiness must and would arise, from the very conviction, that he did suffer.”

“All the suffering there is in this world arises from wishing our self to be happy. All the happiness there is in this world arises from wishing others to be happy.”

“To love is to suffer. To avoid suffering one must not love. But then one suffers from not loving. Therefore, to love is to suffer; not to love is to suffer; to suffer is to suffer. To be happy is to love. To be happy, then, is to suffer, but suffering makes one unhappy. Therefore, to be happy one must love or love to suffer or suffer from too much happiness.”

“The happiness which comes from long practice, which leads to the end of suffering, which at first is like poison, but at last like nectar - this kind of happiness arises from the serenity of one's own mind.”

“He was an awkward mixture of strong moral impulse and restless aesthetic curiosity, and yet he would have made a most ineffective reformer and a very indifferent artist. It seemed to him that the glow of happiness must be found either in action, of some immensely solid kind, on behalf of an idea, or in producing a masterpiece in one of the arts.”

“But then with me the horrid doubt always arises whether the convictions of man's mind, which has been developed from the mind of the lower animals, are of any value or at all trustworthy. Would any one trust in the convictions of a monkey's mind, if there are any convictions in such a mind?[To William Graham 3 July 1881]”