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人類能夠達到的最高活動是為了理解而學習，因為理解就是自由。

"A book is a mirror: if a fool looks in, no sage can look out."

Feed innovation is the unsung hero of responsible aquaculture.

The psychologist must study the mind as it is, not as it ought to be.

釋義：他認為氣是宇宙的基礎，因此氣的無限性也代表著宇宙的無限性。

The important thing in life is not the triumph but the struggle.

Intolerance of others’ views (no matter how ignorant or incoherent they may be) is not simply wrong; in a world where there is no right or wrong, it is worse: it is a sign you are embarrassingly unsophisticated or, possibly, dangerous.