技术创新是解决能源安全、环境保护和经济发展三重困境的关键。
Every day may not be good, but there’s something good in every day.
我们必须抵制将非洲艺术仅仅作为理论说明的诱惑。
The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity.