In republican governments, men are all equal; equal they are also in despotic governments: in the former, because they are everything; in the latter, because they are nothing.

"The power of imagination is the key to unlocking the doors of reality."

However difficult life may seem, there is always something you can do and succeed at.

Science is not about control. It is about cultivating a perpetual condition of wonder in the face of something that forever grows one step richer and deeper than our latest theory about it.

忽视与无知不同，你必须努力去忽视。