How often are we called to witness the decease of blooming youths in the midst of all their pleasures and prospects! Such scenes have been exhibited within the observation of all of you. Dear friends and companions have been snatched away from the side of some of you. The grave has closed upon many whose prospects of long life were as favourable as those of their survivors. Now, my dear young friends, what has so frequently happened in relation to so many others may take place with regard to some of you.