NET
17 But they have no root in themselves and do not endure. Then, when trouble or persecution comes because of the word, immediately they fall away.
Darby
17 and they have no root in themselves, but are for a time: then, tribulation arising, or persecution on account of the word, immediately they are offended.
KJV
17 “And have no root in themselves, and so endure but for a time: afterward, when affliction or persecution ariseth for the word's sake, immediately they are offended.”