You can't change what's already happened, so focus on the present moment.
很可能还会发明出其他几种辅助视觉的工具,它们超越现有工具的程度,就像现有工具超越肉眼一样。
拓扑绝缘体是理论预测如何导致实验发现并重塑我们对物理世界理解的一个典型例子。
I have always been a prisoner of poetry.
Hadst not been born than not to have pleased me better.