29 And Saul was yet the more afraid of David; and Saul was David’s enemy all the time.
1 Samuel 18:29 Cross References - Leeser
Genesis 4:4-8
4 And Abel—he also brought of the firstlings of his flock, and of the fattest thereof; and the Lord had respect unto Abel and to his offering;
5 But unto Cain and to his offering he had no respect; and it was very displeasing to Cain, and his countenance fell.
6 And the Lord said unto Cain, Why art thou wroth? and why is thy countenance fallen?
7 If thou doest well, shalt thou not be accepted? and if thou doest not well, sin lieth at the door; and unto thee is its desire, but thou canst rule over it.
8 And Cain talked with Abel his brother: and it came to pass when they were in the field, that Cain rose up against Abel his brother, and slew him.
1 Samuel 18:12
12 And Saul was afraid of David; because the Lord was with him, and from Saul he was departed.
1 Samuel 18:15
15 And when Saul saw that he was very successful, he was in dread of him.
Psalms 37:12-14
12 The wicked purposeth evil against the just, and gnasheth against him with his teeth.
13 The Lord will laugh at him; for he seeth that his day is coming.
14 The wicked have drawn out the sword, and have bent their bow, to cause the poor and needy to fall, and to slaughter such as are of an upright course of life.
Ecclesiastes 4:4
4 Again, I beheld all the toil, and all the energy in doing, that it is from the envy of one man of his neighbor. Also this is vanity and a torture of the spirit.