Here's an unpopular and inappropriate answer.
Mic 6:8 He explained to you,O man, what is good or what the LORD requires from you; but only to execute equity, and to love mercy, and to be prepared to go with your God.
That seems like a good place to start understanding.
This one is maybe a bit less "obvious"...so much so that it really can't be understood with theology.
1Pe 4:17 ...because it is the time of the beginning of the judgment* from the house of God, and if first from us, what the end of those disobedient to the good news of God?
1Pe 4:18 And if the righteous man is scarcely saved, the ungodly and sinner—where shall he appear?
*Judgement G2917
κρίμα
krima
Thayer Definition:
1) a decree, judgments
2) judgment
2a) condemnation of wrong, the decision (whether severe or mild) which one passes on the faults of others
2b) in a forensic sense
2b1) the sentence of a judge
2b2) the punishment with which one is sentenced
2b3) condemnatory sentence, penal judgment, sentence
3) a matter to be judicially decided, a lawsuit, a case in court
Part of Speech: noun neuter
A Related Word by Thayer’s/Strong’s Number: from G2919
A couple more? To become able to "teach" Proverbs and "preach" Ecclesiastes from our own experience.