to obey the rules you set for yourself
соблюдать правила, которые вы устанавливаете для себя (soblyudat' pravila, kotorye vy ustanavlivayete dlya sebya)
"Self-disciplined people follow self-imposed rules without complaint."
"Самодисциплинированные люди соблюдают правила, которые они установили для себя, без жалоб." (Samodistsiplinirovannye lyudi soblyudayut pravila, kotorye oni ustanovili dlya sebya, bez zhalob.)
to exchange information or tips about something
to make slow, consistent progress toward achieving something
to control or suppress something or someone
to study something again before an exam
to calculate total income or sales
to make yourself feel less worried or anxious