科学的进步不是一条直线，而是一系列曲折，常常需要回溯步骤以获得更好的立足点。

"Every saint has a past, and every sinner has a future."

Writing is the only way I can breathe.

The widespread adoption of drones will reshape many traditional industries.

"The process of making a film is just as important as the final product."

The advantage of poetry over life is that poetry, if it is sharp enough, may last.