Small business owners get a lot of advice.

Whether it’s from a loyal customer, a family member, a mentor, a fellow business owner, or someone you’ve just met — you never know where your best advice will come from.

That’s why it’s so important to be open to new ideas  — even if some ideas challenge you and are sometimes difficult to hear.

“Listen to your customers. Feedback is a gift.” @Gail_Goodman (Tweet this!)

In preparation of National Small Business Week (May 4-8, 2015) we recently reached out to a collection of people whose advice we really admire.

We spoke to founders, CEOs, authors, entrepreneurs, and small business experts to ask one simple question:

“What’s the best business advice you’ve ever received?”

Here’s what they had to say:

Now it’s your turn.

Join us in celebrating National Small Business Week 2015 by sharing your best business advice.

Share your advice in the comments below or join the conversation on social media — use the hashtag #CTCTSBW with your best advice.