Fruit of his rebellion against Hegelian dialectic and a painful autobiographical experience, his unfortunate love by Regina Olsen, fear and trembling is probably the most significant work of Søren A. Kierkegaard. Years after publishing, the Danish philosopher scored in a daily basis: "When my book fear and trembling will suffice to become an immoral writer, it will be read, it will be translated into other languages, and the frightful phews containing this work will make it tremble. But at the time he was written, when his author was hiding after the appearance of a Flâneur, presenting himself as the most perfect embodiment of the conjunction between extravagance, subtlety and frivolity ..., no one could suspect the seriousness that this book enclosed what stupid! As never as then, there was greater seriousness in that work, where precisely appearances constituted the authentic expression of horror. If the one who would have written it would have sampled serious behavior, he would have diminished himself. But once killed, I will become an unreal figure, a somber figure ... and the book will be terrible. "

Over time, this prediction of Kierkegaard came reality, because this work, published for the first time in 1843, has been reissued infinity of times and in several languages. Achievement, without a doubt, achieved by the subject, the style and reality of its writing, together that few books express, like this, the deep problem of faith, and its autonomy against other forms of spirituality.

In this work, the author poses two problems: Is the suspension of ethics possible?, And, is it possible that it has already been what has been renounced, re-be?, And starting from there, the question arises: Is it possible to act beyond ethics?