Musar על בבא קמא 183:15

וה' פקד את שרה . Our sages in Baba Kama 92 learn from the sequence of these verses that if someone prays for his fellow-man although he himself is also in need of the favor he asks G–d for someone else, then his own problem will be dealt with by G–d first. Rashi points out that this is proved by the word פקד, instead of .ויפקוד