When I see someone wasting a glass of water, I think of those who don't have water on Earth.
口是伤人斧,言语锐如刀,语言的力量巨大,学会好好说话。  
The most dangerous thing in the wild is not the animals or the terrain. It’s your own mind.
乐观是一种可以学习的技能。一旦你学会了它,你就能在各个方面改善你的生活。