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"To be forgiven is only half the gift. The other half is that we also can forgive, that we can release ourselves from the old, old burden of resentment and recrimination."

Patience and persistence are the keys to unlocking the mysteries of mathematics.

A book must be the axe for the frozen sea within us.

Meaning comes from belonging to and serving something beyond yourself.

永遠不要低估一個執行得當的簡單想法的力量。