Some philosophers had a writing style that is readable when translated to English, so they can be read directly. For example, one can read a translation of Aris

Some philosophers had a writing style that is readable when translated to English, so they can be read directly. For example, one can read a translation of Aristotle's Nicomachean Ethics and understand what he is saying. Nietzsche is fun to read. For a philosopher such as Spinoza, who wrote his philosophy as a set of mathematical proofs, reading a book about his thought is easier than the original.