Given the task definition and input, reply with output. Given a sentence in Igbo language, translate the sentence to English language keeping the meaning of the original sentence intact

Igbo sentence: Ọ bụrụ na m na-ekwu ma ọ bụ na-egosi otu ọkachamara na otu isiokwu ma ọ bụ ngwaahịa ma ọ bụ ọrụ na mpaghara, M ga na-akwado na ngwaahịa ma ọ bụ ọrụ na m kweere, dabeere na m nka, kwesịrị dị otú ahụ mbianye aka.

If I claim or appear to be an expert on a certain topic or product or service area, I will only endorse products or services that I believe, based on my expertise, are worthy of such endorsement.