Knot genus is superadditive under band sum because g(K_1 sharp _(bK_2))>g(K_1)+g(K_2).

Now he saw that they were ugly, curved, scimitarlike blades on the ends of four-foot-long handles.

Compare two Unicode symbols: ☞ = WHITE RIGHT POINTING INDEX; ☛ = BLACK RIGHT POINTING INDEX

Wake when thou would'st wake, fear nought, vex for nought