The gratitude of every home in our Union goes out to the brave men who have fought and died in the service of our country.

You can't manage what you don't measure.

智者能够从自然界的秩序中汲取启示，以指导个体的生活。

Man is least himself when he talks in his own person. Give him a mask, and he will tell you the truth.

Once we realize that imperfect understanding is the human condition, there is no shame in being wrong, only in failing to correct our mistakes.

I don't think you can ever stop learning. There's always something new to discover.