实现可持续发展的唯一途径是通过持续的技术进步和环境责任。
The only way to achieve sustainable development is through continuous technological advancement and environmental responsibility.
一个观念的效用决定了它在精神生活中的地位。
解释：顺应时代的潮流就会昌盛，背离时代的方向便会走向灭亡。
如果战斗不可避免，先发制人。
It must be remembered that while sympathy with joy intensifies the sum of joy in the world., sympathy with pain does not really diminish the amount of pain. It may make man better able to endure evil, but the evil remains.