Always Demonstrating
Professor (on his wedding tour in the mountains):—“Don’t go too near that precipice, Elise, you might fall down.”
Young wife (laughing):—“Oh no, I should take hold of that pine tree there.”
Professor:—“That is a fir tree, my dear! Just see how careless you are! You would take hold of a pine tree and when you got there, there would not be one to hold onto!”