3. ....let your light shine before others...(Matt 5:14-16)

In this command Jesus says that we (the disciples of Jesus) are the light of the earth. He tells us to light up the world with good works. Be at work for Christ and serving Him. Not so that people will see how good Christianity is, or that this is the right religion, or to even "win" people over to Christ, but so that people will glorify the Father in Heaven. Let you light shine through good works.

Rejoice and be glad, for your reward in heaven is great. (Matt 5:11-12)

This command is in reference to being persecuted. Jesus said Blessed are you when people persecute you, and then said for us to rejoice and be glad. Not if you feel like it, not if it enables you to stick it to them, be glad regardless of the circumstances. You always have reason to rejoice and be glad.