It is a popular byword in our culture that the Bible is an ancient, irrelevant book for our modern times. Reading over such passages as the first part of 2 Timothy 3, this is clearly a statement made in ignorance. This section reads like a newspaper forecast; not a weather forecast, but a cultural, behavioural forecast.
However, even though we know God's Word and His commands to live according to His righteousness, we need to beware lest we sit back and think that these words are only referring to others. We are encouraged many times in Scripture, particularly in the New Testament, to examine our own hearts and lives. So we have both a warning of the signs of the times and also the exhortation to keep watch of our own lives.