when.

Matthew 13:21
But since he has no root, he remains for only a season. When trouble or persecution comes because of the word, he quickly falls away.

Isaiah 49:10
They will not hunger or thirst, nor will the scorching heat or sun strike them. For He who has compassion on them will guide them and lead them beside springs of water.

James 1:11, 12
For the sun rises with scorching heat and withers the plant; its flower falls and its beauty is lost. So too, the rich man will fade away in the midst of his pursuits. . . .

Revelation 7:16
Never again will they hunger, and never will they thirst; nor will the sun beat down upon them, nor any scorching heat.

because.

Matthew 7:26, 27
But everyone who hears these words of Mine and does not act on them is like a foolish man who built his house on sand. . . .

Luke 8:13
The seeds on rocky ground are those who hear the word and receive it with joy, but they have no root. They believe for a season, but in the time of testing, they fall away.

Ephesians 3:17
so that Christ may dwell in your hearts through faith. And I pray that you, being rooted and grounded in love,

Colossians 1:23
if indeed you continue in your faith, established and firm, not moved from the hope of the gospel you heard, which has been proclaimed in all creation under heaven, and of which I, Paul, have become a servant.

Colossians 2:7
rooted and built up in Him, established in the faith as you were taught, and overflowing with thankfulness.