Which philosopher argued that we can only know things through "reason," not senses?

A John Locke

B René Descartes

C Karl Marx

D Charles Darwin

✓ Correct Answer: Option B

Descartes, a rationalist, argued that true knowledge comes from reason. His "Cogito ergo sum" (I think, therefore I am) is foundational.

💡 Why is B) the correct answer?

The correct answer to the question "Which philosopher argued that we can only know things through "reason," not senses?" is Option B: René Descartes.

The other options — A) John Locke, C) Karl Marx, D) Charles Darwin — are incorrect for this IB Exam Prep question. As explained above: Descartes, a rationalist, argued that true knowledge comes from reason. His "Cogito ergo sum" (I think, therefore I am) is foundational.

📚 About This IB Exam Prep Practice Question

This 3-level IB Exam Prep question from the Theory of Knowledge topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free IB Exam Prep practice test or use flashcards for spaced repetition review.

Practice IB Exam Prep Quizzes → Browse All Questions Study Flashcards

Which philosopher argued that we can only know things through "reason," not senses?

✓ Correct Answer: Option B

📚 About This IB Exam Prep Practice Question

Related IB Exam Prep Questions