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Sustainable forestry isn't a cost—it's an investment in our future.

The elements of mind are to be discovered by systematic introspection.

"A book is a fragile creature, it suffers the wear of time, it fears rodents, the elements and clumsy hands. So the librarian protects the books not only against mankind but also against nature and devotes his life to this war with the forces of oblivion."

"The essence of mathematics lies in its freedom."

人性中最深刻的原則是對被欣賞的渴望。

力量不是來自勝利。當你經歷困難并決定不屈服時，那就是力量。

The most important skill for a programmer is the ability to read code.

The best fertilizer is the farmer's shadow on the field.