勇气是正义的首要品质。
Courage is the primary quality of justice.
"The past is a foreign country; they do things differently there."
Optimists tend to interpret their troubles as transient, controllable, and specific to one situation. Pessimists, on the other hand, believe that their troubles last forever, undermine everything they do, and are uncontrollable.
作家是这样的人,对他来说,写作比其他人更困难。
AI伦理和安全对可持续发展至关重要。