In his views thus far the whole world may agree with him; whilst when he adds so emphatically that in these views there is still involved a mystery, we shall not so much say that the world agrees with him as that he, like a good sensible man, agrees with the world.

The passage from mind to matter is, Dr.Tyndall says, unthinkable.

The common sense of mankind has always said the same.

We have here a something, not which we are doubtful how to explain, but which we cannot explain at all.

We have not to choose or halt between alternative conjectures, for there are absolutely no conjectures to halt between.