The most profound truths are often the ones we overlook.
A proof tells us where to concentrate our doubts.
Wise Man:One who sees the storm coming before the clouds appear.
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。
安全生产是煤炭行业的生命线，任何时候都不能放松。