Innovation doesn't happen by accident; it requires intentional investment in people and ideas.
No one is altogether to be blamed for the defects of his nature; but he is blameworthy if he takes no pains to correct them.  
沃森先生,请过来!我有事找你!——出处:1876年3月10日,贝尔第一次通过他发明的电话在寝室向在实验室里的助手沃森说的一句话。
To understand is to know what causes what.