What does the quote the lover of nature is he whose inward and outward senses are still truly adjusted to each other who has retained the spirit of infancy even into the era of manhood?

Both humans and birds can see ultraviolet light true or false? Why is there sound when you let go of a ruler? Why does a convex mirror has a virtual principal focus? What is the problem statement of a floating paperclip? Why is glass used to make electric bulbs? What is the connection between balls dropping and voice breaking? What are some forces that affect an object motion? How is gravity related to terminal velocity? Can cardboard float? What are the temperatures of hot and cold water before and after you put them to freeze? What did James Watt invent the is still in use today? How loud is 100 db? What percentage is visible light on the electromagnetic spectrum? What quantities are needed to describe the position of the water fountain relative to where you are standing? What is the distance between the surface at the center of a reflective surface and the focal point? How does the acceleration of an object depend on the net force acting on the object? At the point of a converging lens the object cannot be seen.? What are the best transmitters of sound? What two things does does speed depend on? What 2 ways are weight and mass different?

What does the quote the lover of nature is he whose inward and outward senses are still truly adjusted to each other who has retained the spirit of infancy even into the era of manhood?