It also means that if I have been fortunate in the way I have lived up to now, misfortune may come one day. Management involves looking at both sides of this coin. When business conditions are good, we need to prepare for tough times, and when business conditions are bad, we need to prepare for better times. If you have experienced misfortunes so far, you should hope that the opposite can also occur. Nothing lasts forever. The universe also changes from time to time, and we must abandon the notion that the society we live in will remain the same. Management is the act of converting uncertainty into certainty. - Joseph’s “just my thoughts”
"Apples are the fruit" is a true proposition. At this time, "apples" are a Sufficient Condition to be fruit, and vice versa, because the "fruit to be an apple is more necessary for other conditions such as "red, round", the fruit is a Necessary Condition to become an apple. If the proposition of "If you respect someone, you'll get married" is "true," it's a "Sufficient Condition" to find someone you admire for marriage, but it's just only a "Necessary Condition" to find someone to marry for respect. Even with respect, you can not get married. You can't get married even if the Reverse Proposition is "true." Because marriage is a matter of "choice" before conditions or needs. If you want a respectable man, you can find a great man. To live comfortably, you can find a rich man. So, is there no Necessary-Sufficient Proposition for a marriage (conditions where both the proposition ...