Every age must look for its sanction to its poetry and philosophy, for in these the human mind, as it looks backward or forward, attains to an eternal state.
The curiosity of an honorable mind willingly rests there, where the love of truth does not urge it farther onward, and the love of its neighbor bids it stop; in other words, it willingly stops at the point where the interests of truth do not beckon it onward, and charity cries, Halt!
He who is alone is happy. Do good to all, like everyone, but do not love anyone. It is a bondage, and bondage brings only misery. Live alone in your mind - that is happiness. To have nobody to care for and never minding who cares for one is the way to be free.