Matius 6:18

6:18 so that it will not be obvious to others when you are fasting, but only to your Father who is in secret. And your Father, who sees in secret, will reward you.

Matius 16:27

16:27 For the Son of Man will come with his angels in the glory of his Father, and then he will reward each person according to what he has done. ¹ 

[16:27]  ¹ sn An allusion to Pss 28:4; 62:12; cf. Prov 24:12.