First of all, to assume all those writings are to be taken at face value it to "lean on understanding" something that I learned is the wrong way. Secondly, if you replace the "I, Jesus" with "the way, truth and life", all those are compatable with what I believe in.Mat 10:22 You will be hated by everyone because of me, but the one who stands firm to the end will be saved.
Mat 24:13 but the one who stands firm to the end will be saved.
Mar 13:13 Everyone will hate you because of me, but the one who stands firm to the end will be saved.
Mar 16:16 Whoever believes and is baptized will be saved, but whoever does not believe will be condemned.
Jhn 10:9 I am the gate; whoever enters through me will be saved. They will come in and go out, and find pasture.
Act 2:21 And everyone who calls on the name of the Lord will be saved.'
Act 11:14 He will bring you a message through which you and all your household will be saved.'
Act 16:31 They replied, “Believe in the Lord Jesus, and you will be saved—you and your household.”
Rom 10:9 If you declare with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved.
Rom 10:13 for, “Everyone who calls on the name of the Lord will be saved.”
I wonder if there might be a common theme running through all of these verses by different authors in different books and letters.
Now it is up to YOU to:
Phl 2:12 Therefore, my dear friends, as you have always obeyed—not only in my presence, but now much more in my absence—continue to work out your salvation with fear and trembling,
Which is just another version of Pascal's Wager. The stakes are high so don't stop at guesses and opinions. Figure it out for yourself. Ask God for help, that hardly seems like an unreasonable request if any of the Bible really is the Truth.
For instance, Romans 10:9 - If you declare with your mouth that the way, the truth and the life is to be obeyed and believe in your heart that God raises it over death, you will be saved (if you endure in it - Matthew 24:13).