Science deals with things in a practical way.Science means honest,solid knowledge,allowing not an iota of falsehood,and it involves herculean efforts and gruelling toil.

• 科学源于实践，科学意味着真诚地，坚实的知识。来不得一点虚假，而且需要巨大的努力和极尽全力的辛苦工作。