Week 4 Question

When Iqbal begins to work with Eshan Kahn, he is very enthusiastic. On page 96, Eshan says, "It's Iqbal who worries me. He's so enthusiastic, but he's rash." What does he mean by this, and how is this statement a bit of foreshadowing of future events? (This means what happens later in the story that Eshan Kahn may've seen coming?)