Discouraged Quotes (2 quotes)
In working out an invention, the most important quality is persistence. Nearly every man who develops an idea works it up to the point where it looks impossible, and then he gets discouraged. That’s not the place to become discouraged, that's the place to get interested.
As quoted in French Strother, 'The Modern Profession of Inventing', World's Work and Play (Jul 1905), 6, No. 32, 186.
Young men, trust those certain and powerful methods, only the first secrets of which we yet know. And all of you, whatever your career, … do not allow yourselves to be discouraged by the gloom of certain hours which pass a nation.
Advice in Speech (27 Dec 1892) to young scientists at the Golden Jubilee celebration for Pasteur's 70th birthday. As translated in Nature (1893), 47, 205. Also translated as “Young men, have faith in those powerful and safe methods, of which we do not yet know all the secrets. And, whatever your career may be, do not let yourselves be discouraged by the sadness of certain hours which pass over nations.” By René J. Dubos, quoted and cited in Maurice B. Strauss, Familiar Medical Quotations (1968), 526.
In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
(1987) -- 
