You have no choice but to accept it -- there's nothing to be done about it, because two times two is mathematics. Try and object to that.
"For goodness sake," they'll cry,"you cannot argue against it -- two times two is four! Nature doesn't consult you; it doesn't give a dame for your wishes or whether its laws please or do not please you. you must accept it as it is, and hence accept all consequences. A wall is indeed a wall."
And so on and so forth. Good God, what do I care about the laws of nature and arithmetic if, for one reason or another, I don't like these laws, including the "two times two is four"? Of course, I cannot break through this wall with my head if I don't have the strength to break through it, but neither will I accept it simply because I face a stone wall and am not strong enough.