A long habit of not thinking a thing wrong gives it a superficial appearance of being right.
释义：过于强硬的弓弦容易断裂，过于锋利的刀口容易受损。惹祸往往是因为多嘴多舌，招致灾祸多是因为心肠狠毒。
"The best leaders are those who can see around corners."
Every setback is a setup for a comeback.