They tell of that which to see and love is better, wiser, than to probe and know all the problems of knowledge.

But that is a truth not understood, not believed.

And few there be who find it.

And if Browning had found the secret of how to live more outside of his understanding than he did, or having found it, had not forgotten it, he would not perhaps have spoken more wisely for the good of man, but he would have more continuously written better poetry.
The next poem in which he may be said to touch Nature is _Sordello_.
_Strafford_ does not count, save for the charming song of the boat in music and moonlight, which the children sing.

In _Sordello_, the problem of life, as in _Paracelsus_, is still the chief matter, but outward life, as not in _Paracelsus_, takes an equal place with inward life.