你无法改变过去，但你可以塑造未来。
You can't change the past, but you can shape the future.
The act of writing is an act of optimism. You wouldn't take the trouble to do it if you felt it didn't matter.
All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.
Perception is not determined simply by stimulus patterns; rather it is a dynamic searching for the best interpretation of the available data.