我们不要害怕犯错，因为只有通过犯错我们才能学习和进步。
We must not be afraid to be wrong, for only by being wrong can we learn and progress.
最好的水产养殖实践是那些不留痕迹的实践。
Take long walks in stormy weather or through deep snows in the fields and woods, if you would keep your spirits up. Deal with brute nature. Be cold and hungry and weary.
坚持和决心是无所不能的。