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Survival can be summed up in three words – never give up. That’s the heart of it really. Just keep trying.

Sustainability is not an option—it's a responsibility we owe to the next generation.

The biggest risk is not taking any risk. In a world that’s changing quickly, the only strategy that is guaranteed to fail is not taking risks.

When speaking to an audience it’s better to fix your gaze on a few people than to “spray” your gaze across the room. Your eyes telegraph to others whether you really believe what you are saying.

自然狀態下的生活是孤獨、貧窮、丑陋、野蠻和短暫的。