当它消逝时，你才会明白爱情曾是一份多么珍贵的礼物。你将会如此痛苦。所以，回去吧，为了挽留它而去奋斗。
When it's gone, you'll know what a gift love was. You'll suffer like this. So go back and fight to keep it.
The secret of change is to focus all of your energy not on fighting the old, but on building the new.
The study of black holes has revolutionized our understanding of space and time.
Understanding the limits of computation is essential for advancing the field of computer science.
The question I ask myself like almost every day is, 'Am I doing the most important thing I could be doing?'
