The Bible teaches this. Any thought or deed contrary to the will of God. Human beings are spiritually dead in sin.
As it is written:
“There is no one righteous, not even one;
for all have sinned and fall short of the glory of God,
Therefore, just as sin entered the world through one man, and death through sin, and in this way death came to all people, because all sinned—
As for you, you were dead in your transgressions and sins,
The Bible teaches the salvation of the whole world. It is through Christ efforts only.
he saved us, not because of righteous things we had done, but because of his mercy. He saved us through the washing of rebirth and renewal by the Holy Spirit,
8 For it is by grace you have been saved, through faith—and this is not from yourselves, it is the gift of God— 9 not by works, so that no one can boast. 10 For we are God’s handiwork, created in Christ Jesus to do good works, which God prepared in advance for us to do.