In Matthew 21:43-46, the nation mentioned is Israel. Jesus is speaking to the chief priests and Pharisees, telling them that the kingdom of God will be taken away from them and given to a nation that will produce its fruit. This is a reference to the inclusion of the Gentiles in the kingdom of God, as the Jewish leaders had rejected Jesus and his message. **

The age difference between him (46) and her (21) is 25 years. **

People may knock at times like 12:12 or 13:13 as a way to bring attention to the unique numerical pattern of the time. Some people believe that these repeating numbers hold special significance or luck, and knocking at these times may be a way to acknowledge or celebrate the moment. It can also be a fun and lighthearted way to mark the passing of time and create a sense of connection with others who may also notice the same pattern. **

In some spiritual and numerology beliefs, repetitive numbers like 12:12, 13:13, and 14:14 are thought to carry special meanings. These times are often seen as signs from the universe or spiritual guides, indicating that you are on the right path or that a shift in consciousness is occurring. Some people interpret these times as a reminder to stay positive, focused, and aligned with their intentions. However, the significance of these times is subjective and varies depending on individual beliefs and interpretations. **

Trisomy 13, 18, and 21 are genetic disorders caused by the presence of an extra copy of a specific chromosome in the body. Trisomy 13, also known as Patau syndrome, involves an extra copy of chromosome 13 and is associated with severe intellectual disabilities and physical abnormalities. Trisomy 18, or Edwards syndrome, results from an extra copy of chromosome 18 and leads to developmental delays, heart defects, and other health issues. Trisomy 21, also known as Down syndrome, is caused by an extra copy of chromosome 21 and is characterized by intellectual disabilities, distinctive facial features, and an increased risk of certain health conditions. **

In Matthew 21:12, Jesus overturns the tables of the money changers in the temple, displaying a righteous anger towards those who were exploiting the house of God. This action could be seen as a display of choleric temperament, characterized by assertiveness and a desire for justice. However, it is important to note that Jesus also displayed traits of other temperaments such as compassion, humility, and patience throughout his ministry. Therefore, it is not accurate to label Jesus solely as a choleric based on this one incident. **

It is not clear from the question whether 12 and 21 are referring to people or something else. If 12 and 21 are referring to people, then it is impossible to determine whether they are sick or okay without further information. If 12 and 21 are referring to something else, such as a group of items, then their health status would not be applicable. Therefore, more context is needed to answer this question accurately. **

Seeing repetitive numbers like 10:10, 12:12, and 21:21 can be a sign from the universe or your subconscious mind trying to grab your attention. Some people believe that these repetitive numbers are messages from the spiritual realm or your guardian angels, guiding you or trying to communicate with you. It could also be a reminder to stay present in the moment and pay attention to your thoughts and surroundings. Ultimately, the interpretation of these occurrences is personal and can vary based on individual beliefs and experiences. **