My go to aspiration when I am having a rough time or need assistance is an ancient one I heard of that people used to try and say a thousand times a day:
"Lord Jesus Christ crucified have mercy on me (us)!"
Also this one helps refocus my mind and remind me of why I am here on earth:
"My God, I believe, I adore, I trust, and I love thee! I beg pardon for those who do not believe, do not adore, do not trust, and do not love Thee." (Fatima prayer)
The Fatima prayer is one of my favorites too!
Also, I found this quote which I'm finding helpful to meditate upon: