Matthew 7:21

¹⁹ Every tree that does not bear good fruit is cut down and thrown into the fire.

²⁰ So then, by their fruit you will recognize them.

Not everyone who says to Me, ‘Lord, Lord,’ will enter the kingdom of heaven, but only he who does the will of My Father in heaven.

²² Many will say to Me on that day, ‘Lord, Lord, did we not prophesy in Your name, and in Your name drive out demons and perform many miracles?’

²³ Then I will tell them plainly, ‘I never knew you; depart from Me, you workers of lawlessness!’

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: Not everyone who says to Me, ‘Lord, Lord,’ will enter the kingdom of heaven, but only he who does the will of My Father in heaven.
KJV: Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that doeth the will of my Father which is in heaven.
WEB: “Not everyone who says to me, ‘Lord, Lord,’ will enter into the Kingdom of Heaven, but he who does the will of my Father who is in heaven.
ASV: Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that doeth the will of my Father who is in heaven.
DARBY: Not every one who says to me, Lord, Lord, shall enter into the kingdom of the heavens, but he that does the will of my Father who is in the heavens.
BLB: Not everyone who [is] saying to Me, ‘Lord, Lord,’ will enter into the kingdom of the heavens, but the one doing the will of My Father who [is] in the heavens.

ÅB: «Ikke alle som sier til meg ‘Herre! Herre!’ skal komme inn i himlenes rike. Bare den som gjør viljen til min himmelske Far.
OTB: “Ikke alle som sier til meg: ‘Herre, Herre,’ skal komme inn i himmelriket, men bare den som gjør min himmelske Fars vilje.
B1930: Ikke enhver som sier til mig: Herre! Herre! skal komme inn i himlenes rike, men den som gjør min himmelske Faders vilje.

Romans 2:13
For it is not the hearers of the law who are righteous before God, but it is the doers of the law who will be declared righteous.
Read in context
Luke 6:46
Why do you call Me ‘Lord, Lord,’ but not do what I say?
Read in context
James 1:22
Be doers of the word, and not hearers only. Otherwise, you are deceiving yourselves.
Read in context
Luke 11:28
But He replied, “Blessed rather are those who hear the word of God and obey it.”
Read in context
Titus 1:16
They profess to know God, but by their actions they deny Him. They are detestable, disobedient, and unfit for any good deed.
Read in context
Hebrews 4:6
Since, then, it remains for some to enter His rest, and since those who formerly heard the good news did not enter because of their disobedience,
Read in context
Matthew 25:11–12
Later the other virgins arrived and said, ‘Lord, lord, open the door for us!’
Read in context
John 6:40
For it is My Father’s will that everyone who looks to the Son and believes in Him shall have eternal life, and I will raise him up at the last day.”
Read in context