The only limit to our realization of tomorrow is our doubts of today.

Success is not final, failure is not fatal: It is the courage to continue that counts.

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

自由之树需要经常用爱国者和暴君的鲜血来浇灌。

电子产品的未来在于可持续性——设计时要考虑到最终结果。