1、耳闻不如一见，一见不如实验。
Nothing is better than experiments.
2、虚争空言，不如试之易效。
Attempt is more effective than empty words.
3、感觉并不欺骗人，判断倒会欺骗人。
Feeling is not always right but judg sometimes.
4、大胆探索，反复实验。
Explore bravely and do experiments repeatedly.
5、细心观察，认真分析，科学总结。
Careful observation seriously analysis and scientific summary.
6、凡事不经实践检验就肯定这是愚蠢。
Without practice everything proves to be failure