A theme which can be explored and expressed in a variety of different ways, existentialism is a belief based on the free will of the individual which suggests that all future development is created as a result of their own self determined actions.
People who do strengthening and toning exercises in an effort to trim fat from a certain area -- thighs, hips, stomach, or arms -- have the wrong idea. Although these exercises can help firm muscles, if the targeted area still carries an extra layer of fat, it won't look much different.
The two most powerful exercises you can do to tone your hips, butt, and thighs at the same time are leg squats using a maintainable weight, and leg presses, also using a maintainable weight.