Every mathematical problem has a solution, but not every solution is immediately apparent.
每个数学问题都有解决方案,但并非每个解决方案都显而易见。
生活对我们任何人来说都不容易。但那又怎样?我们必须有毅力,最重要的是对自己有信心。
Every life is a universe, and every death is the end of a world.
森林的真正价值不仅在于木材产量,还在于生物多样性和生态系统健康。