With serendipity, I stumbled upon my youth Hebrew school lessons of pikuach nefesh, the concept of saving a life. It's our obligation to save lives whenever possible, even above observing the mitzvot or commandments.
When I was 7, my parents ordered a braille prayer book for me from the Jewish Braille Institute. When I went to the synagogue with them, I proudly carried my siddur and tried to read along – but I didn’t yet know the Hebrew braille alphabet.
The Eternal One spoke to Moses, saying: "When you take a census of the Israelite men according to their army enrollment, each shall pay the Eternal a ransom for himself on being enrolled, that no plague may come upon them through their being enrolled." - Exodus 30:11-12