Ibnul-Qayyim Al-Jawziyyah رحمه الله
said:
“Your life in the present moment is in between the past and the future. So what has preceded can be rectified by tawbah (repentance), nadam (regret) and istighfar (seeking Allaah’s forgiveness). And this is something that will neither tire you, nor cause you to toil as you would with strenuous labour. Rather it is an action of the heart. Then as regards the future (then it can be corrected) by withholding yourself from sins.