As for the seed that fell among thorns, that means people who hear but who go and get choked with worries and money and the pleasures of life, so that they never ripen.
Charge the rich of this world not to be supercilious, and not to fix their hopes on so uncertain a thing as riches but on the living God who richly provides us with all the enjoyments of life;
As for him who is sown 'among thorns,' that is the man who listens to the word, but the worry of the world and the delight of being rich choke the word; so it proves unfruitful.
Take heed to yourselves in case your hearts get overpowered by dissipation and drunkenness and worldly anxieties, and so that Day catches you suddenly like a trap.
If anyone does not remain in me he is thrown aside like a branch and he withers up; then the branches are gathered and thrown into the fire to be burned.
No servant can serve two masters: either he will hate the one and love the other, or else he will stand by the one and despise the other, you cannot serve both God and Mammon."
Those 'on the rock' are people who on hearing the word welcome it with enthusiasm, but they have no root; they believe for a while and fall away in the hour of trial.
Let us pass on then to what is mature, leaving elementary Christian doctrine behind, instead of laying the foundation over again with repentance from dead works, with faith in God,