The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers.

The true discovery of America is before us. The true fulfillment of our spirit, of our people, of our mighty and immortal land, is yet to come.

我不是榜样...仅仅因为我会唱歌并不意味着我应该抚养你的孩子。

采矿行业的领导力意味着今天做出艰难的决定，这将使子孙后代受益。