色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

Language is not a cultural artifact that we learn the way we learn to tell time or how the federal government works. Instead, it is a distinct piece of the biological makeup of our brains.

If we want clean air and water, we must start by protecting our forests.

Global challenges require global thinking and local action.

The biggest risk is not taking any risk. In a world that’s changing quickly, the only strategy that is guaranteed to fail is not taking risks.

Poverty is not a character flaw—it’s a systemic trap.