According to the Merriam Webster Dictionary consistency is "agreement or harmony of parts or features to one another or a whole."
“Do it again and again. Consistency makes the raindrops to create holes in the rock. Whatever is difficult can be done easily with regular attendance, attention and action.” - Israelmore Ayivor, ‘The Great Hand Book Of Quotes’.
“Small disciplines repeated with consistency every day lead to great achievements gained slowly over time.” - John C. Maxwell, ‘The 15 Invaluable Laws Of Growth: Live Them And Reach Your Potential.
“For changes to be of any true value, they've got to be lasting and consistent.” - Tony Robbins.