When you lend somthing pretend you are gifting. If it is returned, you'll be surprised and happy
歌唱90%在于倾听。你也必须倾听寂静。
The most profound ideas in mathematics often arise from the simplest observations.
The future of energy lies in our ability to adapt and innovate.
创新是将变化视为机会的能力,而不是威胁。