我无话可说，而我正在说它。
I have nothing to say and I am saying it.
The challenge of creating efficient and selective catalysts keeps me motivated every day.
真正的幸福首先来自于自我享受，其次来自于与少数精选伙伴的友谊和交谈。
The anarchic nature of the international system compels states to prioritize their own survival above all else.
强者，藐视困难，弱者，仰视困难。
The future of coal is bright if we fight for it.
The elements of consciousness are the building blocks of mental life.
