Tao Te Ching: Chapter 47

1

Without going outside his door, one understands (all that takes place) under the sky; without looking out from his window, one sees the Tao of Heaven. The farther that one goes out (from himself), the less he knows.

2

Therefore the sages got their knowledge without travelling; gave their (right) names to things without seeing them; and accomplished their ends without any purpose of doing so.