我說的每一句話都必須被理解為不是一個(gè)斷言，而是一個(gè)問題。
The best investment you can make is in yourself.
In the drone industry, safety always comes first.
我不敢說數(shù)學(xué)和瘋狂之間有直接關(guān)系，但毫無疑問，偉大的數(shù)學(xué)家都具有狂熱的特質(zhì)。
The future of coal lies in clean and efficient utilization.
One of my primary objects is to form the tools so the tools themselves shall fashion the work and give to every part its just proportion.
To understand the mind, follow its practical consequences.
The strongest is never strong enough to be always the master unless he transforms strength into right and obedience into duty.