18 Others are those who are sown among the thorns. These are those who have heard the word,
Mark 4:18 Cross References - WEB
Jeremiah 4:3
3 For Yahweh says to the men of Judah and to Jerusalem, “Break up your fallow ground, and don’t sow among thorns.
Matthew 13:22
22 What was sown among the thorns, this is he who hears the word, but the cares of this age and the deceitfulness of riches choke the word, and he becomes unfruitful.
Mark 4:7
7 Others fell among the thorns, and the thorns grew up, and choked it, and it yielded no fruit.
Luke 8:14
14 That which fell among the thorns, these are those who have heard, and as they go on their way they are choked with cares, riches, and pleasures of life, and bring no fruit to maturity.