thorns.

Luke 8:14
The seeds that fell among the thorns are those who hear, but as they go on their way, they are choked by the worries, riches, and pleasures of this life, and their fruit does not mature.

Luke 21:34
But watch yourselves, or your hearts will be weighed down by dissipation, drunkenness, and the worries of life--and that day will spring upon you suddenly like a snare.

Genesis 3:18
Both thorns and thistles it will yield you, and you will eat the plants of the field.

Jeremiah 4:3
For this is what the LORD says to the men of Judah and Jerusalem: "Break up your unplowed ground, and do not sow among the thorns.

Matthew 13:7, 22
Other seeds fell among the thorns, which grew up and choked the seedlings. . . .

Mark 4:7, 18, 19
Other seed fell among thorns, which grew up and choked the seedlings, and they yielded no crop. . . .

Hebrews 6:7, 8
Land that drinks in the rain often falling on it and that produces a crop useful to those for whom it is tended receives the blessing of God. . . .