Ask not what your country can do for you --ask what you can do for your country.
The elements of mind are to be discovered by systematic introspection.
Silence is the perfectest herald of joy: I were but little happy, if I could say how much.
每一种真理都需要经过三个阶段:首先被嘲笑,然后被激烈反对,最后被视为自明之理。
You have to think for yourself. It always amazes me how high-IQ people mindlessly imitate. I never get good ideas talking to other people.