讓我們來看看勵志作者Brian Tracy怎么說：
One of the most important habits in life is to feed your mind with positive mental food. Remember, you are very susceptible to the suggested influences in your environment, whether radio, television, newspapers, magazines, billboards or conversations with other people. Your mind is your most important and precious asset. You must protect it and keep it clean, clear and focused on what you want, rather than allowing it to be polluted by the negative influences around you.
生活中最重要的習慣之一就是要經常為自己補充積極的精神食糧。要記住，你對周圍的環境非常敏感，無論是收音機、報紙、電視、雜志、廣告或與他人的對話，都會對你產生很大影響。你的心靈是你最重要和珍貴的資產，你必須盡力保護，維持其純凈清明。同時要專注于自己向往的事物，不受消極因素的影響。
Refuse to watch terror or trash on television. Refuse to read about all the murders, robberies, rapes and tragedies in the newspapers. Refuse to listen to endless hours of mindless radio commentary on all the problems in the modern world. Refuse to engage in endless conversations with people about all the political and social problems in your nation or community. Keep your mind clean, clear, positive and free.
拒絕收看電視渲染的暴力和色情，拒絕閱讀報紙上有關謀殺、搶劫、強奸的報道，拒絕收音機里滔滔不絕的無意義時事評論，拒絕參與對于政治和社會的無休止辯論。保持你的心靈純凈、清明、積極且自由自在。
Not only do you become what you think about, but also you become what you feed into your mind on a regular basis. If you want to be positive, optimistic and happy, continually feed your mind with positive books and articles, positive audio learning programs, positive input and information from other experts in your field, and positive conversations with other optimistic goal-oriented people who are going somewhere with their lives.
你是自己思想的產物，也是心靈食糧的產物。如果你希望自己積極、樂觀、快樂，必須為自己補充“心靈維他命”，這包括積極的書籍和文章、積極的語音課程節目、專家的專業知識分享，或是經常與樂觀的人溝通對話。
