使用 Once 引导时间状语从句，opens up 为动词短语，意为“展开、出现”。
Regardless of whether habits are good or bad, they constitute the fundamental laws of life.
Without criticism, it is difficult to improve or do better.
One should not assist the strong in bullying the weak; this is a basic moral boundary.
When doing something wrong, one inevitably looks around, fearing to be seen. However, whether others actually see it is secondary; what truly matters is that your own heart knows, and you cannot escape the scrutiny of your own conscience.
Constantly reminding oneself that death may come at any moment serves as a motivation to cherish every day and avoid living in vain.
Many things are not as bad as they seem. Clinging stubbornly to troubles only generates more distress. Once you move past them and let go, a new, broader world opens up before you.
A child's poverty is often the fault of their parents, for they failed to impart a correct outlook on life when the child was young. Parents' mindset is, in fact, the starting line of a child's life.
Does this world not exist to allow us to clearly see our true circumstances? Living in such a world, people still have the mood to compare their gains with others, which is absurd, like a group of feverish patients competing to see who has a higher temperature.
无论行为习惯的好坏，它们构成了人生的基本规律。
如果没有外界的批评与挑战，人往往难以取得进一步的进步。
不应协助强者欺凌弱者，这是基本的道德底线。
当人做出不当之事时，难免会左顾右盼，生怕被人发现。然而，他人是否看见其实居于次要地位，真正重要的是你的内心清楚知道，而人心是无法逃避的审视者。
时常提醒自己死亡随时可能降临，这能激励我们珍惜每一天，避免虚度光阴。
许多事情并没有想象中那么糟糕。一味地紧抓烦恼不放，只会滋生更多的痛苦。只要跨过去，学会放下，眼前便会是另一片宽阔天地。
孩子的贫困往往源于父母的错误，因为在他年幼时，父母未能给予正确的人生观。家长的观念，实则是孩子人生的起跑线。
这个世界难道不是为了让人们清晰地看清自己的真实处境而存在的吗？生活在这样一个世界里，人们竟然还有心情去与他人攀比各自的所得，这简直就像是一大群发着高烧的病人在比赛谁的体温更高一样荒谬。