If thou forbear to deliver - If thou seest the innocent taken by the hand of lawless power or superstitious zeal, and they are about to be put to death, thou shouldst rise up in their behalf, boldly plead for them, testify to their innocence when thou knowest it; and thus thou wilt not be guilty of blood; which thou wouldst be, if, through any pretense, thou shouldst neglect to save the life of a man unjustly condemned.

1 Samuel 26:8,9 Then said Abishai to David, God has delivered your enemy into your hand this day: now therefore let me smite him, I pray you...

Job 29:17 And I broke the jaws of the wicked, and plucked the spoil out of his teeth.

Psalm 82:4 Deliver the poor and needy: rid them out of the hand of the wicked.

Isaiah 58:6,7 Is not this the fast that I have chosen? to loose the bands of wickedness, to undo the heavy burdens, and to let the oppressed go free...

Luke 10:31,32 And by chance there came down a certain priest that way: and when he saw him, he passed by on the other side...

Luke 23:23-25 And they were instant with loud voices, requiring that he might be crucified...

Acts 18:17 Then all the Greeks took Sosthenes, the chief ruler of the synagogue, and beat him before the judgment seat...

Acts 21:31,32 And as they went about to kill him, tidings came to the chief captain of the band, that all Jerusalem was in an uproar...

Acts 23:10,23 And when there arose a great dissension, the chief captain, fearing lest Paul should have been pulled in pieces of them...

1 John 3:16,17 Hereby perceive we the love of God, because he laid down his life for us: and we ought to lay down our lives for the brothers...

Epistle xxxvi. To Maximus, Bishop of Salona .
To Maximus, Bishop of Salona [113] . Gregory to Maximus, &c. When our common son the presbyter Veteranus came to the Roman city, he found me so weak from the pains of gout as to be quite unable to answer thy Fraternity's letters myself. And indeed with regard to the nation of the Sclaves [114] , from which you are in great danger, I am exceedingly afflicted and disturbed. I am afflicted as suffering already in your suffering: I am disturbed, because they have already begun to enter Italy by way …
Saint Gregory the Great—the Epistles of Saint Gregory the Great

A Treatise on Good Works
I. We ought first to know that there are no good works except those which God has commanded, even as there is no sin except that which God has forbidden. Therefore whoever wishes to know and to do good works needs nothing else than to know God's commandments. Thus Christ says, Matthew xix, "If thou wilt enter into life, keep the commandments." And when the young man asks Him, Matthew xix, what he shall do that he may inherit eternal life, Christ sets before him naught else but the Ten Commandments. …
Dr. Martin Luther—A Treatise on Good Works

Proverbs
Many specimens of the so-called Wisdom Literature are preserved for us in the book of Proverbs, for its contents are by no means confined to what we call proverbs. The first nine chapters constitute a continuous discourse, almost in the manner of a sermon; and of the last two chapters, ch. xxx. is largely made up of enigmas, and xxxi. is in part a description of the good housewife. All, however, are rightly subsumed under the idea of wisdom, which to the Hebrew had always moral relations. The Hebrew …
John Edgar McFadyen—Introduction to the Old Testament