Do Noble Things, Not Dream Them All

Do Today's Duty, Fight To-day's Temptation; And Do Not Weaken And Distract Yourself By Looking Forward To Things Which You Cannot See, And Could Not Understand If You Saw Them.

I Am Not Aware That Payment, Or Even Favors, However Gracious, Bind Any Man's Soul And Conscience In Questions Of Highest Morality And Highest Importance.

For Science Is ... Like Virtue, Its Own Exceeding Great Reward.

Give Me Something Huge To Fight, — And I Should Enjoy That — But Why Make Me Sweep The Dust?

It Is Only The Great Hearted Who Can Be True Friends. The Mean And Cowardly, Can Never Know What True Friendship Means.