Invert, always invert: Turn a situation or problem upside down. Look at it backward.
倒置，始终倒置：将情况或问题颠倒过来。反向观察它。
Every mathematical problem has a solution; you just need to find the right perspective.
人は、自分が思っている以上に強い。
爱情像一棵树，它自己生长，把根深深扎进我们的整个生命。