Fear and Trembling

Writing under the pseudonym Johannes de Silentio, Kierkegaard uses Abraham's willingness to sacrifice his son Isaac at God's command as a philosophical test case for what genuine religious faith demands. He argues that Abraham cannot be praised on ordinary ethical terms, since ethics judges actions by universal, rationally defensible standards, and killing one's child violates every such standard; instead, Abraham enacts what Kierkegaard calls a 'teleological suspension of the ethical,' obeying a private command from God that supersedes, rather than confirms, universal moral law, making faith fundamentally different from, and higher than, conventional morality.

The book matters because it challenges comfortable, rationalized versions of religious belief that reduce faith to socially acceptable ethical behavior, insisting instead that real faith involves an irreducible element of risk, paradox, and solitary responsibility that cannot be justified to, or fully understood by, other people. Kierkegaard's portrait of Abraham as caught in genuine anguish, not serene certainty, reframes faith as a lived existential struggle rather than settled doctrine, influencing later existentialist thought on choice, individuality, and the limits of reason.

Who should read it

Readers interested in existentialism, philosophy of religion, or the tension between ethics and faith will find this foundational; it rewards careful, patient rereading rather than a single quick pass.

About the author

Søren Kierkegaard was a 19th-century Danish philosopher and theologian widely regarded as a founder of existentialist thought, known for exploring faith, anxiety, and individual choice through pseudonymous works.