过去是你所记得的、想象你记得的、说服自己记得的，或假装记得的。
The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.
科学是赋能的工具，而不是控制的工具。
The only limits in life are the ones you set for yourself.
The future of mining lies in digital transformation and intelligent development.
It is silly not to hope, he thought.
"The world is a book, and those who do not travel read only one page."