All true religion, all true morality, all true mysticism have but one object, and that is to act on humanity, collective and individual, in such a manner that it shall correspond efficiently with the great law of development, and co-operate consciously therewith to achieve the end of development.
If the genius of invention were to reveal to-morrow the secret of immortality, of eternal beauty and youth, for which all humanity is aching, the same inexorable agents which prevent a mass from changing suddenly its velocity would likewise resist the force of the new knowledge until time gradually modifies human thought.
But we are living in a sceptical and, if I may use the phrase, a thought-tormented age: and sometimes I fear that this new generation, educated or hyper-educated as it is, will lack those qualities of humanity, of hospitality, of kindly humour which belonged to an older day.
Human freedom is realised in the adoption of humanity as an end in itself, for the one thing that no-one can be compelled to do by another is to adopt a particular end. - 'Metaphysical Principles of Virtue