'Careful' in the Bible

"Be careful not to display your righteousness merely to be seen by people. Otherwise you have no reward with your Father in heaven.

Be careful! I have told you everything ahead of time.

According to the grace of God given to me, like a skilled master-builder I laid a foundation, but someone else builds on it. And each one must be careful how he builds.

But be careful that this liberty of yours does not become a hindrance to the weak.

So let the one who thinks he is standing be careful that he does not fall.

For the one who eats and drinks without careful regard for the body eats and drinks judgment against himself.

Therefore be very careful how you live -- not as unwise but as wise,

Be careful not to allow anyone to captivate you through an empty, deceitful philosophy that is according to human traditions and the elemental spirits of the world, and not according to Christ.