The discipline of graphic design is one full of respected rules, strict guidelines, and sage wisdom. These tried and true road maps have helped designers adhere to a certain standard of design, as well as help them create meaningful and engaging objects that assist and enrich the lives of others.

However, even the most seasoned designer is continuously learning, discovering new inspirations, and uncovering new facets about their profession. We asked 16 designers from various reaches of the industry to enlighten us on their rules for success. From the top names in the industry, here are 16 Things Graphic Designers Should Know. Some of them may just inspire you to take a deeper look at your own work and your own methods.