Many of the problems I have experienced in life concerned leaking faucets, ice makers, toilets, and windows. The leaking has caused a lot of damage.
Leaking spiritually can cause the most damage.
“Therefore we must give the more earnest heed to the things we have heard, lest we drift away. For if the word spoken through angels proved steadfast, and every transgression and disobedience received a just reward, how shall we escape if we neglect so great a salvation, which at the first began to be spoken by the Lord, and was confirmed to us by those who heard Him,”
Hebrews 2:1-3 NKJV