Helpful

help·ful, adj. giving help; of service; useful.


Do all the good you can, by all the means you can, in all the ways you can, in all the places you can, at all the times you can, to all the people you can, as long as ever you can.

—John Wesley 1703–1791

John Wesley was an English religious leader and a founder of Methodism.

As to diseases, make a habit of two things—to help, or at least, to do no harm.
—Hippocrates (approximate life span) 460–377 B.C.

Hippocrates was a Greek physician, often considered the father of modern medicine.