Just as a diamond can only be polished by another diamond, it is only through intense human interaction engaging the entire personality that people can forge themselves, raising themselves up to ever-greater heights.

Buddhism Day by Day

Wisdom for Modern Life by Daisaku Ikeda
Thursday, January 30, 2014:

 

Just as a diamond can only be polished by another diamond, it is only through intense human interaction engaging the entire personality that people can forge themselves, raising themselves up to ever-greater heights.