This Gospel of the Kingdom will be preached in the whole inhabited earth for a testimony to the nations, and the end will come. Matthew 24:14
Not everyone who says to Me, 'Lord, Lord' will enter the kingdom of heaven, but he who does the will of My Father who is in heaven will enter. Matthew 7:21
Koran also mentions the Gospel of Jesus.
Koran Surah 3:3
It is He Who sent down to thee (step by step), in truth, the Book, confirming what went before it; and He sent down the Law (of Moses) and the Gospel (of Jesus) before this, as a guide to mankind, and He sent down the criterion (of judgment between right and wrong).