我不害怕失败。我害怕不去尝试。

我并不完美。我和其他人一样会犯错。

The true measure of our success will be what we leave for future generations.

故事是保存记忆的方式。

The rise of China and the resurgence of Russia have challenged the idea that liberal democracy is the only viable form of government.

The best books are the ones that challenge you.

仅仅观察、实验、理论化和计算是不够的。人们还必须想象。

You can pay for school but you can't buy class.

在我们向低碳解决方案过渡的过程中，能源安全和可负担性必须仍然是优先事项。