Innovation in quarrying isn't just about new technology - it's about new thinking.
I am not the luckiest person, but I am the most hardworking person.
教育的目的不是使年轻人在任何一门科学上都变得完美,而是要打开和培养他们的思维,使他们在将来学习任何科学时都能胜任。
"Political language is designed to make lies sound truthful and murder respectable, and to give an appearance of solidity to pure wind."