The ultimate tragedy is not the oppression and cruelty by the bad people but the silence over that by the good people.

Education is an admirable thing. But it is well to remember from time to time that nothing that is worth knowing can be taught.

Consciousness is the cutting edge of the struggle for existence.

Literature is the best weapon against intolerance and fanaticism.

The best time to start taking control of your life is now.

A strong safety culture isn't just policy—it's a mindset that every employee must embrace.

真实是一个不断的过程，而不是一个静止的状态。