Quote by William Herschel
"I have learned that true strength lies not in physical might but in mental persistence."
"I have learned that true strength lies not in physical might but in mental persistence."
"The sciences have been greatly benefited by practical mechanics, and this without doubt the case will ever remain."
"Astronomy is not less important for the knowledge of the world than geography."
"We observe a star, and from the light that reaches us we must infer all its properties."
"The great object of my life has been to observe as many celestial phenomena as possible."