Agreement Of Modes And Tenses

1. They knew not that thence would come a better wisdom than could be learned from books, and a better life than could be molded on the defaced example of other lives.

2. Then the wind waves the branches; and the sun comes out, and turns all these myriads of beads and drops to prisms, that glow and flash with all manner of colored fires, which change and change again with inconceivable rapidity, from blue to red, from red to green, and green to gold.

Notice the agreement in mode and tense of the verbs in italics. Verbs connected by coordinate conjunctions usually agree in mode and tense.