In one sense, all conditions are subsequent; in another, all are precedent. All are subsequent to the first stage of the obligation. /4/ Take, for instance, the case of a promise to pay for work if done to the satisfaction of an architect. The condition is a clear case of what is called a condition precedent. There can be no duty to pay until the architect is satisfied. But there can be a [317] contract before that moment, because the determination whether the promisor shall pay or not is no longer within his control. Hence the condition is subsequent to the existence of the obligation. On the other hand, every condition subsequent is precedent to the incidence of the burden of the law. If we look at the law as it would be regarded by one who had no scruples against doing anything which he could do without incurring legal consequences, it is obvious that the main consequence attached by the law to a contract is a greater or less possibility of having to pay money. The only question from the purely legal point of view is whether the promisor will be compelled to pay. And the important moment is that at which that point is settled. All conditions are precedent to that. But all conditions are precedent, not only in this extreme sense, but also to the existence of the plaintiff's cause of action. As strong a case as can be put is that of a policy of insurance conditioned to be void if not sued upon within one year from a failure to pay as agreed. The condition does not come into play until a loss has occurred, the duty to pay has been neglected, and a cause of action has arisen. Nevertheless, it is precedent to the plaintiff's cause of action. When a man sues, the question is not whether he has had a cause of action in the past, but whether he has one then. He has not one then, unless the year is still running. If it were left for the defendant to set up the lapse of the year, that would be due to the circumstance that the order of pleading does not require a plaintiff to meet all possible defences, and to set out a case unanswerable except by denial. The point at which the law calls on the defendant for an answer varies [318] in different cases. Sometimes it would seem to be governed simply by convenience of proof, requiring the party who has the affirmative to plead and prove it. Sometimes there seems to be a reference to the usual course of events, and matters belong to the defence because they are only exceptionally true. The most logical distinction would be between conditions which must be satisfied before a promise can be broken, and those which, like the last, discharge the liability after a breach has occurred. /1/ But this is of the slightest possible importance, and it may be doubted whether another case like the last could be found.