"What is the greatest surprise you have found about life?” a university student asked me several years ago.
"Its brevity" I replied without hesitation. … Time moves so quickly, and no matter who we are or what we have done, the time will come when our lives will be over. As Jesus said, "As long as it is day, we must do the work of him who sent me. Night is coming, when no one can work" (John 9:4). … Life is short, and every day is a gift from God.

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets ""What is the greatest surprise you have found about life?” a university student asked me several years ago.
"Its brevity" I replied without hesitation. … Time moves so quickly, and no matter who we are or what we have done, the time will come when our lives will be over. As Jesus said, "As long as it is day, we must do the work of him who sent me. Night is coming, when no one can work" (John 9:4). … Life is short, and every day is a gift from God." in the context of "Just As I Am : The Autobiography of Billy Graham (1997), co-written with Cliff Barrows" to mean that wisdom is timeless.