Oh for a single hour of that Dundee Who on that day the word of onset gave!

[Mathematics] is an independent world created out of pure intelligence.

I listened, motionless and still; And, as I mounted up the hill, The music in my heart I bore, Long after it was heard no more.

The sightless Milton, with his hair Around his placid temples curled; And Shakespeare at his side,-a freight, If clay could think and mind were weight, For him who bore the world!

... and we shall find A pleasure in the dimness of the stars.

Laying out grounds may be considered a liberal art, in some sort like poetry and painting.

Up! up! my friend, and quit your books, Or surely you 'll grow double! Up! up! my friend, and clear your looks! Why all this toil and trouble?