Now does this not follow a fortiori, viz.: If re the (lesser) measure (of the Holy One), that of punishment, it is written "for I will not vindicate the evildoer," how much more so in (implementation of) the greater measure, that of good, (will He bestow it to its outermost limits!)
God Operates with Two Measures the Measure of Punishment
Mekhilta Tractate Kaspa 3:16