Love's a fire that needs renewal Of fresh beauty for its fuel.

What millions died that Caesar might be great!

Oh, how hard it is to find The one just suited to our mind!

the soul of conversation is sympathy

On the green banks of Shannon, when Sheelah was nigh, No blithe Irish lad was so happy as I, No harp like my own could so cheerily play, And wherever I went was my poor dog Tray.

Never wedding, ever wooing, Still a lovelorn heart pursuing, Read you not the wrong you're doing In my cheek's pale hue? All my life with sorrow strewing; Wed or cease to woo.

Fundamental assumptions in general and scientific assumptions in particular are so hard to overturn because they are based on belief. Beliefs are so hard to overcome because they are irrational and therefore do not yield to logical argument.