The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards - and even then I have my doubts.
The study of psychology must include the study of the environment in which the mind operates.
采矿业的可持续性不是可选项,而是我们未来的必然选择。