Those who act in the mode of goodness are promoted to higher planetary systems to become demigods, those who act in an ordinary way and do not commit excessively sinful acts remain within this middle planetary system

Expressions researched:
"Those who act in the mode of goodness are promoted to higher planetary systems to become demigods, those who act in an ordinary way and do not commit excessively sinful acts remain within this middle planetary system"

Srimad-Bhagavatam

SB Canto 6

Those who act in the mode of goodness are promoted to higher planetary systems to become demigods, those who act in an ordinary way and do not commit excessively sinful acts remain within this middle planetary system, and those who perform abominable sinful actions must go down to hellish life.

SB 6.1.45, Translation and Purport

In proportion to the extent of one's religious or irreligious actions in this life, one must enjoy or suffer the corresponding reactions of his karma in the next.

As stated in Bhagavad-gītā (BG 14.18):

ūrdhvaṁ gacchanti sattva-sthā

madhye tiṣṭhanti rājasāḥ

jaghanya-guṇa-vṛtti-sthā

adho gacchanti tāmasāḥ

Those who act in the mode of goodness are promoted to higher planetary systems to become demigods, those who act in an ordinary way and do not commit excessively sinful acts remain within this middle planetary system, and those who perform abominable sinful actions must go down to hellish life.