The only limit to our realization of tomorrow will be our doubts of today.
实现明天理想的唯一障碍是今天的疑虑。
如果我看得更远,那是因为我站在巨人的肩膀上。
长远来看,只有偏执狂才能生存。
Coal has been the backbone of industrial progress, but its future must balance economic needs with environmental responsibility.