Possible meanings are that righteous people will be like a healthy palm tree because they will 1) be strong or 2) live for long time. (See: [[rc://en/ta/man/jit/figs-simile]])
Possible meanings are that righteous people will be like a healthy cedar tree growing in the land of Lebanon because 1) they will be strong or 2) people will honor them. (See: [[rc://en/ta/man/jit/figs-simile]])