美好的人生是由爱所激励,由知识所引导的。
The world is full of magic things, patiently waiting for our senses to grow sharper.
The first lesson reading teaches is how to be alone.
The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.
The language of cells is written in molecules and forces.