Yet has he not root in himself, but endures for a while: for when tribulation or persecution arises because of the word, immediately he is offended.
All Commentaries on Matthew 13:21 Go To Matthew 13
Theophylact of Ochrid
AD 1107
He speaks of tribulation because there are many who, when they are hard-pressed by their parents, or by some misfortunes, immediately blaspheme. And of persecution, on account of those who fall into the hands of tyrants.