The great source of both the misery and disorders of human life, seems to arise from over-rating the difference between one permanent situation and another.
人类生活中痛苦和混乱的主要来源,似乎来自于高估了一种持久状况与另一种持久状况之间的差异。
永远不要低估渐进式改进的力量。
The minerals we extract today must serve the needs of future generations as well.