The harder the battle, the sweeter the victory.
战斗越艰难，胜利就越甜蜜。
The best way to predict the future is to create it.
The North Sea has been a powerhouse of energy for decades, and it still has a vital role to play in the UK's energy security.
不要让自己被贫瘠的怀疑主义所污染。
解析：学习圣人之道应遵从孔孟教诲。