化学的艺术在于分离、提纯和结合物质的能力。

Faith is a living, daring confidence in God's grace, so sure and certain that a man could stake his life on it a thousand times.

Survival can be summed up in three words—never give up. That's the heart of it really. Just keep trying.

我再也不想喝到需要去戒酒的地步了。