Yudhishtira answers the Yaksha

In the Mahabharata, Yudhishtira once encountered his father Dharma in the form of a Yaksha. The Yaksha posing as the lord of the lake asked a number of questions which  Yudhishtira answered successfully to bring back to live all his brothers. 

Q	Who makes the sun rise?
A	God
Q	And set?
A	The sun’s natural duty, its dharma.
Q	In whom is the sun established?
A	In truth.
Q	Where is truth captured?
A	In the Vedas.
Q	What makes a Brahman?
A	Understanding the Vedas.
Q	What makes Brahman worthy of worship?
A	Ability to control their mind.
Q	What makes Kshatriyas powerful?
A	Their weapons.
Q	What makes them noble?
A	Their charity.
Q	When is a man who is alive considered to be dead?
A	When he does not share his wealth with gods, guests, servants, animals, and ancestors.
Q	What is faster than the wind?
A	The mind.
Q	More numerous than grass?
A	Thoughts.
Q	What is more valuable than gold?
A	Knowledge.
Q	More desirable than wealth?
A	Health.
Q	Most desired form of happiness?
A	Contentment.
Q	What is the greatest deed?
A	Non-violence
Q	What measures a man?
A	Conduct.
Q	What is forgiveness?
A	Enduring the worst of enemies.
Q	What is mercy?
A	Wishing happiness to all.
Q	What is simplicity?
A	Equanimity.
Q	What is the only thing man can conquer?
A	His own mind.
Q	What when renounced makes one agreeable?
A	Pride.
Q	What when renounced makes one wealthy?
A	Desire.
Q	Who is man’s most dreaded enemy?
A	Anger.
Q	What is the worst disease?
A	Greed.
Q	What is charity?
A	Helping the helpless.
Q	What is the most amazing thing about the world?
A	Everyday creatures die, yet the rest live as if immortal.
Q	How does one know the true path?
A	Not through arguments – they never reach a conclusion; not from teachers – they can only give their opinion; to know the true path one must, in silence and solitude, reflect on one’s own life.