Authors:

It seems to me that the only way one can be helpful is to extend one's hand to someone else involuntarily, and without ever knowing how useful this will be.

Rainer Maria Rilke (2007). “Letters on Life: New Prose Translations”, p.50, Modern Library
It seems to me that the only way one can be helpful is to extend one's hand to someone else involuntarily, and without ever knowing how useful this will be.