All are gurus to us, the wicked by their evil deeds say 'do not come near me'. The good are always good, therefore all are like gurus to us.
Treating a person to a meal never fails， and is so easy to do. It’s powerful with old friends and a great way to make new friends.
The greatest disability is a bad attitude.
宇宙不仅比我们想象的更奇怪，它比我们能够想象的还要奇怪。