Sometimes we get sad about things and we don’t like to tell other people that we are sad about them. We like to keep it a secret. Or sometimes, we are sad but we really don’t know why we are sad, so we say we aren’t sad but we really are.
I'm not going to sit here and try to be someone I'm not.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
天然气开采的创新是满足世界日益增长的能源需求的关键。
A painting is never finished, only abandoned.