'Certainty' in the Bible

That thou mightest know the certainty of those things, wherein thou hast been instructed.

He added, "I tell all of you with certainty, a prophet is not accepted in his hometown.

I tell you with certainty, some people who are standing here won't experience death until they see the kingdom of God."

How blessed are those servants whom the master finds watching for him when he comes! I tell all of you with certainty, he himself will put on an apron, make them sit down at the table, and go around and serve them.

I tell you with certainty, he will put him in charge of all his property.

I tell all of you with certainty, whoever doesn't receive the kingdom of God as a little child will never get into it at all."

Jesus told them, "I tell all of you with certainty, there is no one who has left his home, wife, brothers, parents, or children because of the kingdom of God

He said, "I tell you with certainty, this destitute widow has dropped in more than all of them,

I tell all of you with certainty, this generation won't disappear until all these things take place.

When he learned with certainty that Jesus came from Herod's jurisdiction, he sent him off to Herod, who was in Jerusalem at that time.

Jesus told him, "I tell you with certainty, today you will be with me in Paradise."