我们永远不必为自己的眼泪感到羞耻。
We need never be ashamed of our tears.
I'm not perfect, but I'm trying every day.
在计算中,不变量是短暂的。
Psychology must bridge the gap between theory and practical life.
你必须相信你的长期计划,但你需要短期目标来激励和启发你。