The speech we hear is an indication of that which we don't hear. It is a necessary avoidance, a violent, sly, anguished or mocking smokescreen which keeps the other in its place.

科学的本质不在于知道，而在于寻求。

The artist must be a pilgrim of the unknown.

解释：向外物游览就要要求外物的完备，向自己内心求取，则能充实完善自身。