數(shù)學(xué)中的每個問題都有解答，關(guān)鍵在于找到正確的路徑。
Safety isn't just a policy, it's a culture that must be lived every day in our mines.
The best way to predict the future is to create it.
A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.