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Collaboration across borders and disciplines is the key to solving the world's most pressing health challenges.

When basic needs are insecure, all idealism withers.

If the only prayer you said was 'Thank you', that would be enough.

It takes a strong man to save himself, and a great man to save another.

To know good and evil is not enough； one must also do them.

數(shù)學(xué)的美只向更有耐心的追隨者展示。