False facts are highly injurious to the progress of science, for they often endure long.  
实现明天理想的唯一障碍是今天的疑虑。
成本不是为了计算而存在的,而是为了被降低而存在的。
气候变化是我们这个时代的决定性议题,我们正处于决定性时刻。
Leadership in agriculture means planting seeds today that others will harvest tomorrow.