For the time will come— This is another hint of the introduction of the grand apostacy, and it has been verified to an amazing degree. That is sound doctrine which promotes a holy life: it is the love of sin which renders men averse to sound doctrine, and puts them upon following such teachers as will gratify their humours and inclinations, and please their ears and fancies, without attacking or condemning their false opinions, or corrupt practices. Instead of shall, here and in the next verse, it is best to read will.
Related Commentaries of 2 Timothy 4:3
2 Timothy 4:3
3 For the time will come when they will not endure sound doctrine; but after their own lusts shall they heap to themselves teachers, having itching ears;