Reforming established evils is difficult, and individuals often suffer lasting physical, mental, and moral impairments from past bad habits.

Original passage

For those who do reform, how bitter the struggle to regain their manhood! And all their life long, in a shattered constitution, a wavering will, impaired intellect, and weakened soul power, many reap the harvest of their evil sowing. How much more might be accomplished if the evil were dealt with at the beginning!