To say 'I love you' one must first know how to say the 'I'.
林业创新不是可选的——它对生存至关重要。
The unity of mathematics is not an illusion but a reality waiting to be uncovered.
我们都在阴沟里，但仍有人仰望星空。
The environment shapes behavior through the mechanism of reinforcement.
Then I had religion, then I had a vision. I could not turn from their revel in derision. Then I saw the Congo creeping through the black, cutting through the forest with a golden track。