We must be vigilant and resolutely fight against all enemies, both internal and external.
可持续性不是一个流行词,而是对后代的承诺。
You can't stop the waves, but you can learn to surf.
The truth is balance, but the opposite of truth, which is unbalance, may not be a lie.
心理与物理之间的界限并不像我们通常认为的那样清晰。
The cost of trying is the lowest.
"A good book is a friend that never leaves you."