Verse 18 - Meaning:
Q: Who is a sadhu (a virtuous person) ? (kah sadhuh)
A: That one who is full of good character. (sad vrttah)
Q: Who is the most inferior man ?
A: That one who is of bad character.
Q: Who can conquer the entire world ?
A: That one who is truthful (satya) and patient (titiksaavata) .