Против рожна не попрешь

а) Power makes you submit to it See a) Лбом стены не прошибешь а (Л), Плетью обуха не перешибешь а

(77);

b) Do not struggle against things which you cannot overcome. See Лбом стены не прошибешь b (JI), Плетью обуха не перешибешь b (П), Тяжело против воды плыть (T)

Cf:

a) It is hard to live in Rome and strive against the Pope (Am.). It is hard to sit in Rome and strive against the Pope (Br.). There is no arguing with a large fist (Am.). What may the mouse do against the cat? (Am.). You cannot fight City Hall (Am., Br.)

b) Do not kick against the pricks (Br.). Don't kick aginst pricks (Am.). It is ill striving against the stream (Br.). Puff not against the wind (Br.). Strive not against the stream (Am.). You can't fight guns with sticks (Br.)