Difficulties cease to trouble us either when they are surmounted, or when we have become accustomed to them.
The Progress of Physics During 33 Years (1875-1908), Lecture IV (p. 118)
Difficulties cease to trouble us either when they are surmounted, or when we have become accustomed to them.
The Progress of Physics During 33 Years (1875-1908), Lecture IV (p. 118)