Sustainability is not an option; it's a responsibility we owe to future generations.
可持续性不是一种选择，而是我们对后代的责任。
The language of mathematics is universal, transcending cultural and linguistic barriers.
生活比人类头脑所能发明的任何事物都要离奇得多。
The wise are not ashamed to seek knowledge, for they know the ocean of wisdom is boundless.