It is not the actual enjoyment of pleasure that we desire. What we want is to test the futility of that pleasure, so as to be no longer obsessed by it.
Great lovers will always be unhappy, because, for them, love is of supreme importance. Consequently they demand of their beloved the same intensity of thought as they have for her, otherwise they feel betrayed.
A consoling thought: what matters is not what we do, but the spirit in which we do it. Others suffer too; so much so that there is nothing in the world but suffering; the problem is simply to keep a clear conscience.
