Proverbs 4:6

Do not forsake her--then she will guard you; love her and she will keep you.

2 Thessalonians 2:10

and with every unrighteous deception against those who are perishing, in place of which they did not accept the love of the truth, so that they would be saved.

Proverbs 2:10-12

for wisdom will enter your heart, and knowledge will be pleasing to your soul.

Proverbs 4:21-22

May they not escape from your {sight}; keep them in [the] midst of your heart.

Ephesians 3:17

[that] Christ may dwell in your hearts through faith (you having been firmly rooted and established in love),

Treasury of Scripture Knowledge

Summary

Forsake her not, and she shall preserve thee: love her, and she shall keep thee.

Bible References

Love

Proverbs 4:21
May they not escape from your {sight}; keep them in [the] midst of your heart.
Proverbs 2:10
for wisdom will enter your heart, and knowledge will be pleasing to your soul.
Ephesians 3:17
[that] Christ may dwell in your hearts through faith (you having been firmly rooted and established in love),
2 Thessalonians 2:10
and with every unrighteous deception against those who are perishing, in place of which they did not accept the love of the truth, so that they would be saved.

General references

Proverbs 1:2
To know wisdom and instruction, to understand sayings of understanding,
Proverbs 2:11
Discretion will watch over you; understanding will protect you,
Proverbs 6:21
Bind them on your heart continually; tie them upon your neck.