He who has been delivered from pain must not think he is now free again, and at liberty to take life up just as it was before, entirely forgetful of the past. He is now a “man whose eyes are open” with regard to pain and anguish, and he must help to overcome those two enemies (so far as human power can control them) and to bring to others the deliverance which he has himself enjoyed. The man who, with a doctor’s help, has been pulled through a severe illness, must aid in providing a helper such as he had himself…
Albert Schweitzer, On the Edge of the Primeval Forest