Surround yourself with those who are going to lift you higher.

I always cheer up immensely if an attack is particularly wounding because I think, well, if they attack one personally, it means they have not a single political argument left.

The real tragedy of the poor is that they can do nothing but wait for the rich to give them something.

真相很少是纯粹的，也从不简单。

在数学中，提出问题的艺术必须比解决问题更有价值。

Change is inevitable, but growth is optional.

创新不是少数人的专利，而是每个人的机会。

An individual has not started living until he can rise above the narrow confines of his individualistic concerns to the broader concerns of all humanity.

"To write is to resist the erosion of time."