志不强者智不达；言不信者行不果
意志不坚强的人，智慧也不会高到哪里去；说话不算数的人，做事也不会果敢痛快。
The beauty of physics lies in its ability to explain the simplest phenomena with the most profound theories.
"If you feel like you're losing everything, remember that trees lose their leaves every year and they still stand tall and wait for better days."