Examples

1 Corinthians 4:2 talks about how stewards must be found faithful.
Apostles especially need to be examples to the world because they are set to be a standard for the nation and many look to them. They lead many people and are representing the Savior, so it is vital that they are faithful, righteous and setting a good example.
It's important that we don't just know what is right because others watch us and can be led away by our actions if we aren't living what we know to be true.
If we aren't doing what is right, then we won't be able to perform miracles in the name of Christ.

I know that it is important that we not only know what is right, but show that through our actions so that others can look to us and see Christ's love and care through our actions. We need His help and we must turn to Him in order to receive it.