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Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

愛情像一棵樹，它自己生長，深深扎根于我們的存在。

Security is not a product, but a capability.

To be a philosopher is not merely to have subtle thoughts, nor even to found a school, but so to love wisdom as to live according to its dictates.

The biggest risk is not taking any risk.

The challenges of today's coal industry require bold leadership and vision.