我们还没有学会思考,但我们正在学习。
自然万物发展变化的规律是:发展到尽头,就会走向反面;发展到极盛之后,就会趋于衰落。
可持续性不是一种趋势,而是我们对未来的责任。
Once we realize that imperfect understanding is the human condition, there is no shame in being wrong, only in failing to correct our mistakes.
Memory is the bridge between the past and the future.