I will bless the LORD at all times; His praise shall continually be in my mouth.
Psalm 34:1  

For everything created by God is good, and nothing is to be rejected, if it is received with gratitude; for it is sanctified by means of the word of God and prayer.
1 Timothy 4:4-5

In everything give thanks; for this is God’s will for you in Christ Jesus.
1 Thessalonias 5:18  

Enter His gates with thanksgiving, And His courts with praise. Give thanks to Him; bless His name. Psalm 100:4  

But I will sacrifice to You With the voice of thanksgiving. That which I have vowed I will pay Salvation is from the LORD. Jonah 2:9  

And let the peace of Christ rule in your hearts, to which indeed you were called in one body; and be thankful.
Colossians 3:15

Therefore, since we receive a kingdom which cannot be shaken, let us show gratitude, by which we may offer to God an acceptable service with reverence and awe; for our God is a consuming fire.
Hebrews 12:28-29