吞舟之鱼，不游枝流；鸿鹄高飞，不集污池。
解释：能吞下船的大鱼，不会在细浅的溪水里遨游；在天空高飞的鸿鹄，不会在肮脏的水池栖息。
Every material has its own memory and history.
I'm not a teacher, I'm a student.
我认为年龄是为成熟付出的高昂代价。
The future of energy lies in balancing today’s needs with tomorrow’s responsibilities.
To truly know the world, look deeply within your own being; to truly know yourself, take real interest in the world.
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.