过去和未来一样，都是不确定的，只存在于一系列可能性中。
The past, like the future, is indefinite and exists only as a spectrum of possibilities.
The source of every crime, is some defect of the understanding; or some error in reasoning; or some sudden force of the passions.
The only way you can write the truth is to assume that what you set down will never be read.
Always stay curious about new technologies, but be wary of hype.