448 – “There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.”

–W L Sheldon [Often falsely attributed to Ernest Hemingway, see Source Notes]

445 – “If all insects on Earth disappeared, within 50 years all life on Earth would end. If all human beings disappeared from the Earth, within 50 years all forms of life would flourish.”

–Jonas Salk [Very likely false attribution]

429 – “Love me or hate me are both in my favor. If you love me, I’ll always be in your heart. If you hate me, I’ll always be in your mind.”

–anonymous [Falsely Attributed to William Shakespeare, see Source Notes]

184 – “Ancora imparo.”

“Yet I am learning.”

–Michelangelo [Misattribution, see link below]