The gateway is still open but, on the Last Day after Jesus delivers up the Kingdom of God to the FATHER, it will be closed FOREVER (1 Thessalonians 4:14-18) (1 Corinthians 15:21-24).
“Seek ye the Lord while he may be found, call ye upon him while he is near” (Isaiah 55:6).
“For whoso findeth me findeth life, and shall obtain favor of the LORD” (Proverbs 8:35).
“Blessed is the man that heareth me, watching daily at my gates, waiting at the posts of my doors” (Proverbs 8:34).
Jesus says: “Enter ye in at the strait gate: for wide is the gate, and broad is the way, that leadeth to destruction, and many there be which go in thereat; because strait is the gate, and narrow is the way, which leadeth unto life, and few there be that find it” (Matthew 7:13–14).