Emotion, yet peace
Ignorance, yet knowledge
Passion, yet serenity
Chaos, yet harmony
Death, yet the Force

This version of the code is drawn from a time closer to the beginning of the order, circa R.R. 1099 from Trepp Voldan's Holocron?. Compare to the more "modern" version, below:

There is no Emotion, there is Peace
There is no Ignorance, there is Knowledge
There is no Passion, there is Serenity
There is no Death, there is the Force

This version was adopted by the Jedi Council circa R.R. 3986 in order to standardize and compromise between several versions (one of which was sixteen verses!) that had emerged over the years.

Perhaps the most interesting change is what appears in the first part of each line in the newer version. The additon of "There is no" to each line can be seen as an attempt by the Jedi to divorce themselves from the concepts of Emotion, Ignorance, Passion, and even Death. Yet the earlier version seems willing not to declare them vanquished, but to acknowledge that you can find within them their polar opposites. This separation of the Jedi, especially once reinforced by the Jedi Council, may be a direct contributor to the distance we are seeing between the Order and the people of the Galactic Republic who have to live with emotion, ignorance, passion, and death every day.

--Excerpt from a project in his Aleph-level Philosophy class by J'ror Tholin, age 16, Praconis Minor Praxeum, R.R. '74