We have a responsibility to deliver energy in the most efficient and environmentally responsible way possible.
统一自然界所有力的挑战是几十年来推动理论物理学发展的动力之一。
Life is not fair, get used to it.
在儿童时期没有养成思想的习惯。将使他从此以后一生都没有思想的能力。
There are unknown forces in nature; when we give ourselves wholly to her, without reserve, she lends them to us; she shows us these forms, which our watching eyes do not see, which our intelligence does not understand or suspect.