「It ain't wha □□t you don't k □□now that gets □□ you into tro □□uble. It's wh □□at you know f □□or sure that □□just ain't so □□. Mark Twain」 □□「People hate □□to think abou □□t bad things □□happening so □□they always u □□nderestimate □□their likelih □□ood.」 □□