The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
I don't believe in retirement. I believe in continuing to work as long as you're able.
In the state of nature, profit is the measure of right.
在这件小事情上我发现,世界上误解和懈怠也许比奸诈和恶意还要误事。至少奸诈和恶意肯定并不多见。
知识的真正方法是实验。
在我们生命的不同阶段,我们都会变成完全不同的人。