Cross reference
Matthew 19:25
25 And his disciples having heard, were amazed exceedingly, saying, `Who, then, is able to be saved?'
Romans 11:5-7
5 So then also in the present time a remnant according to the choice of grace there hath been;
6 and if by grace, no more of works, otherwise the grace becometh no more grace; and if of works, it is no more grace, otherwise the work is no more work.
7 What then? What Israel doth seek after, this it did not obtain, and the chosen did obtain, and the rest were hardened,
Matthew 24:22
22 And if those days were not shortened, no flesh would have been saved; but because of the chosen, shall those days be shortened.
Mark 13:20
20 and if the Lord did not shorten the days, no flesh had been saved; but because of the chosen, whom He did choose to Himself, He did shorten the days.
Luke 13:23-24
23 and a certain one said to him, `Sir, are those saved few?' and he said unto them,
24 `Be striving to go in through the straight gate, because many, I say to you, will seek to go in, and shall not be able;
Romans 10:13
13 for every one -- whoever shall call upon the name of the Lord, he shall be saved.'