Here again as Joseph is teaching different doctrines, he addresses a common buzz topic of the year and teaches about the second coming of the Savior. But in those teachings he manages to help us understand that because we don't know exactly when it will happen, we have the responsibility to gain knowledge and intelligence so that we will be prepared when the day comes.
Hinckley
https://www.thechurchnews.com/archives/1999-01-02/messages-of-inspiration-from-pres-hinckley-2-125137