keep to - in doing so keep to ...

English Notes: 

Goblet: 20:24 All amongst you, know, if you are capable of insight (rationality) and sageness (intellect), that this is the pure truth which you shall follow and in doing so keep to the life-giving (creational) laws and recommendations so that you have a good life in fairness and in righteousness (conscientiousness), as well as in responsibility.

German Translation: