知之曰知之，不知曰不知；內(nèi)不自以誣，外不自以欺。
出自先秦《荀子·儒效》。對于所知道的東西就說知道，不知道的就說不知道；這樣，對內(nèi)是不欺騙自己的良心，對外是不欺騙他人。說明為人應當誠實的道理。
說出真相的唯一方法是不帶說服意圖地說話。
能源的未來必須建立在創(chuàng)新和責任之上。
"The world is a book, and those who do not travel read only one page."
The highest task of education is to develop in the individual a sense of responsibility towards humanity.
The most beautiful thing we can experience is the mysterious. It is the source of all true art and science.
The labor which it would require to make a single one of these guns by hand would exhaust the patience and perseverance of any ordinary workman.
唯一的善，是知識；唯一的惡，是無知。
Genius without discipline is like a ship without a rudder.
The most important things are the hardest to say.