If you want to be given everything, give everything up.
Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.
科技创新没有捷径,必须脚踏实地,久久为功。
最好的领导者是那些倾听多于发言,并以诚信行事的人。
The true measure of our success in fisheries management will be what we leave behind for our children.