解析：用功在于为善之心真切。
"The greatest challenge is to paint what cannot be painted."
Certification schemes are the grammar of responsible forestry—they give structure to our good intentions.
"Literature is the only place where truth can hide in plain sight."
I think that the role of the mathematician is to discover these patterns and to explain them.
走上绞刑台，迎向行刑的枪口，我自安之如泰。
To me， you are still nothing more than a little boy who is just like a hundred thousand other little boys。 And I have no need of you。 And you， on your part， have no need of me。 To you， I am nothing more than a fox like a hundred thousand other foxes。 But if you tame me， then we shall need each other。 To me， you will be unique in all the world。 To you， I shall be unique in all the world.