Trust is the currency of collaboration, and it must be earned every day.

Man’s main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.

Singing is not for fame, but for love.

煤炭的未来在于清洁高效利用。

善意并不是自己内心发出的，不能保留；行为自身不能够理解和辨别的，不能去做。