Read the excerpt from the strange case of dr. jekyll and mr. hyde. about a week has passed, and i am now finishing this statement under the influence of the last of the old powders. this, then, is the last time, short of a miracle, that henry jekyll can think his own thoughts or see his own face (now how sadly altered! ) in the glass. which theme best connects to this excerpt? human beings learn from nature. silence is a powerful tool. evil can never truly hide itself. strength comes from trials.