The development of MRI has revolutionized the field of medical imaging, allowing us to see inside the human body in ways that were previously unimaginable.

The best time to plant a tree was 20 years ago; the second-best time is now.

无论你是身居闹市却无人问津的贫民，还是在深山都不得清静的有钱人；亲朋之间的关系往往也建立在利益之上，趋利避害是人之常情，人情冷暖、世态炎凉才是人生常态，不是每一个普通人都能达到无私高尚的境界。

活着就是受苦，生存就是在苦难中找到一些意义。