We encounter the worst evil in the history of mankind together with the greatest courage in the history of humanity.

我们遭遇了人类历史上最可怕的恶魔，与此同时也经历了人类历史上最伟大的勇气。

youdao

On the other hand, his pessimism is a kind of protest in which he expresses the concern about mankind, summon for human nature appeal for humanity and hope for future.

另一方面，他的悲观厌世本身就是一种抗议，在抗议的同时表达了对人类的关切，对人性的召唤，人道的呼吁以及对未来的希望。

youdao

Even in the case of the humblest and weakest of mankind, the welfare of each is still the good of all... at bottom, the interests of humanity and of individual are one.

即使人类在最卑微、最弱小的时候，每个人的利益仍然是所有人的利益，说到底，个人的利益和全人类的利益是一致的。

youdao

It inspired me to make a drawing which was a flock of varied birds which represented mankind and humanity.

VOA: special.2009.09.02

But we are willing to build a great partnership in the field of energy, either what refers to the exploration of the pre-salt deep oil reserves, as also the explorations of renewable sources of energies and clean energy that could guarantee for all mankind and for the humanity and for Brazil and for the U.S. a better improvement of its development in a sustained way.

WHITEHOUSE: President Obama, President Rousseff Meet in Brasilia

I'm also grateful for an opportunity to help continue to strengthen our country and strengthen our country's alliances, and advance global freedom, decency, and humanity as we help build a better world for all mankind.

WHITEHOUSE: The White House