Reference

Matthew 24:12

And because iniquity shall abound, the love of many shall wax cold.
10

And then shall many be offended, and shall betray one another, and shall hate one another.

11

And many false prophets shall rise, and shall deceive many.

12

And because iniquity shall abound, the love of many shall wax cold.

13

But he that shall endure unto the end, the same shall be saved.

14

And this gospel of the kingdom shall be preached in all the world for a witness unto all nations; and then shall the end come.

Counter-Arguments

The strongest case that this verse does not belong in this theme.

Signs Before Return

The verse describes a general moral decline ("iniquity shall abound") leading to a decrease in love, which is a spiritual and ethical observation, not a physical sign like wars, earthquakes, or celestial phenomena.