You will hear of wars and rumors of wars. Make sure that you are not alarmed, for this must happen, but the end is still to come.

Zechariah said to the angel, "How can I be sure of this? For I am an old man, and my wife is old as well."

Jesus said to his disciples, "Stumbling blocks are sure to come, but woe to the one through whom they come!

Every day I am in danger of death! This is as sure as my boasting in you, which I have in Christ Jesus our Lord.

But as you excel in everything -- in faith, in speech, in knowledge, and in all eagerness and in the love from us that is in you -- make sure that you excel in this act of kindness too.

I went there because of a revelation and presented to them the gospel that I preach among the Gentiles. But I did so only in a private meeting with the influential people, to make sure that I was not running -- or had not run -- in vain.

For I am sure of this very thing, that the one who began a good work in you will perfect it until the day of Christ Jesus.

Some, to be sure, are preaching Christ from envy and rivalry, but others from goodwill.

And since I am sure of this, I know that I will remain and continue with all of you for the sake of your progress and joy in the faith,

I recall your sincere faith that was alive first in your grandmother Lois and in your mother Eunice, and I am sure is in you.

Make every effort to help Zenas the lawyer and Apollos on their way; make sure they have what they need.

We have this hope as an anchor for the soul, sure and steadfast, which reaches inside behind the curtain,

Now faith is being sure of what we hope for, being convinced of what we do not see.

Pray for us, for we are sure that we have a clear conscience and desire to conduct ourselves rightly in every respect.

But be sure you live out the message and do not merely listen to it and so deceive yourselves.

Therefore, brothers and sisters, make every effort to be sure of your calling and election. For by doing this you will never stumble into sin.