NOTE: if you answer incorrectly you will receive the Mark of Shame, and cannot answer again until it wears off (30 min). This mark used to make all Horde hostile to you, but that effect was removed in patch 1.11.
By Patch 3.3, the mark only lasts 10 minutes, and does not prevent you from answering the question again.
Once you have answered the question correctly, talk to Parqual Fintallas again. He will still have the question text, but you don't need to answer again - just choose the yellow ? option to complete the quest.
Description
So the time is once again upon us. As a student of lore, you have shown great tenacity by undertaking my task.
And so now I offer you your question. If you are ready, speak to me again, and take all the time you need, <name>--there is no pressure to answer quickly.
Progress
There is only one rule I feel you must know if you wish to survive in this world: the more you know, the more you'll see.
If you study, if you observe, then you will begin to see things in the world that no other tauren will see.
Completion
Well done, <name>. I had my doubts if you studied the text I asked you to get, but you've answered correctly.