君子有九种事情需要考虑到：看，要考虑是否清楚；听，要考虑是否明确；脸色，要考虑是否温和；容貌，要考虑是否恭敬；言语，要考虑是否忠实；做事，要考虑是否认真；疑惑，要考虑是否求教；愤怒，要考虑是否有后患；利益当前，要考虑是否该伸手。

Be a pro. Back up your back up. Have at least one physical backup and one backup in the cloud. Have more than one of each. How much would you pay to retrieve all your data， photos， notes， if you lost them？ Backups are cheap compared to regrets.

女性属于科学的各个领域，她们的贡献是无价的。