The sun is our most powerful tool in Africa. We must learn to work with it, not against it.
疲惫不是身体的罢工,而是心理能量的收支失衡。
如果你只读大家都在读的书,你只能想到大家都在想的东西。
If you have any doubt at all about being able to carry a load in one trip, do yourself a huge favor and make two trips.
"You have to put in the hours because there’s always something which you can improve."