The Wealth That Cannot Be

The History Of Science Is Science Itself; The History Of The Individual, The Individual.

If One Doesn't Know One's Own Country, One Doesn't Have Standards For Foreign Countries.

There Is Nothing More Frightful Than Ignorance In Action.

Should I Not Be Proud, When For Twenty Years I Have Had To Admit To Myself That The Great Newton And All The Mathematicians And Noble Calculators Along With Him Were Involved In A Decisive Error With Respect To The Doctrine Of Color, And That I Among Millions Was The Only One Who Knew What Was Right In This Great Subject Of Nature?

Plunge Boldly Into The Thick Of Life, And Seize It Where You Will, It Is Always Interesting.