God's kindness towards us, has shown us how to be kind towards others. All good things come together out of God's love. The kindness we show to others grows even more as we understand God's loving kindness towards us. "so that in the coming ages he might show the immeasurable riches of his grace in kindness toward us in Christ Jesus." Ephesians 2:7 (ESV)
A theory of natural causes for the plagues does not do justice to the clear statements of the text. A particular order would be...
And I will do whatever you ask in my name, so that the Son may bring glory to the Father. You may ask me...
With the tongue we praise our Lord and Father, and with it we curse men, who have been made in God's likeness.