Jiraiya or Orochumaru
Based on what we know of their past, Sarutobi's personal remarks, their jutsu and abilities that we have seen them use, their battle when Orochumaru left the village, and their lives thereafter, who do u think would win in a one on one fight.
Wisdom, compassion, and courage are the three universally recognized moral qualities of men.
There is a wisdom of the head and a wisdom of the heart.
To be satisfied with a little is the greatest wisdom; and he that increaseth his riches, increaseth his cares; but a contented mind is a hidden treasure, and trouble findeth it not.
It is the nature of the wise to resist pleasures, but the foolish to be a slave to them.
It requires wisdom to understand wisdom: the music is nothing if the audience is deaf.
Knowing others is wisdom; knowing yourself is Enlightenment.
It's better to be a lion for a day than a sheep all your life.