I sing not because I am blind, but because I have a voice.

"The key to success is to focus on goals, not obstacles."

意志不是一种特殊的能力，而是心灵朝向明确目标的整体活动。

Sustainability isn't a choice anymore—it's a necessity for any business that wants to thrive in the future.

太阳是我们在非洲最强大的工具。我们必须学会与它合作，而不是对抗它。

Habit is far more dependable than inspiration. Make progress by making habits. Don‘t focus on getting into shape. Focus on becoming the kind of person who never misses a workout.