Context is your friend, here. A typical (?) 25-points-buy PF1 Monk (human) probably has STR 16, DEX 14, WIS 16 (CON 14, INT 12, CAR 8?).
So, at Level 1: to hit +3 (BAB is 0), Flurry at +1/+1, AC 15. He can flurry only if he stands still and full attack.
A PF2 STR-based Monk is looking to get...