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The only limit to our realization of tomorrow will be our doubts of today.

The weight of guilt is measured not in years, but in sleepless nights.

預測未來的最好方式就是創造未來。

"In the end, we will remember not the words of our enemies, but the silence of our friends."

To create is to enter into a dialogue with absence.

To love is to risk not being loved in return. To hope is to risk pain. To try is to risk failure, but risk must be taken because the greatest hazard in life is to risk nothing.

"Life is not about waiting for the storm to pass, but learning to dance in the rain."

"Thought exists to serve action, not merely to reflect reality."

真正的領導力是為他人服務，而不是命令他們。

里氏替換原則是面向對象編程中的一個基本概念，確保派生類可以替代其基類使用，而不會改變程序的正確性。