en_tn/deu/08/17.md

but you may say in your heart

This is the third thing the people might do when their hearts "become lifted up" and they "forget Yahweh" (Deuteronomy 8:14). Here "heart" is a metonym for a person's innermost thoughts. AT: "but you may think to yourself" (See: rc://en/ta/man/translate/figs-metonymy)

My power and the might of my hand acquired all this wealth

Here "hand" refers to a man's power or ability. AT: "I got this wealth because I am so strong and powerful" or "I have acquired all these things by my own power and ability" (See: rc://en/ta/man/translate/figs-metonymy)