心不清，则无以见道。志不确，则无以立功。
【释义】心境不清明，就无法领悟正道；志向不坚定，就无法成就事业。
"A good picture book is like a good joke - it needs perfect timing."
The deepest theorems often arise from the simplest observations.
如果你臣服于空气，你就能驾驭它。
当天赋不努力时，努力会战胜天赋。