You must stick to your ...

You must stick to your conviction, but be ready to abandon your assumptions.
You must stick to your conviction, but be ready to abandon your assumptions.

More phrases

Being self-made is a state of mind, and once you put that mentality to work, your success will come.
 Dave East
A lot of people change for good. Some people just fall off. Just trying to progress in anything, no matter what you're doing, I feel like any progression you make... some people aren't gonna be around you that were around you.
 Dave East
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
Don't settle in the land of barely enough. That is where you are, it is not who you are. That's your location, it's not your identity. No matter what it looks like, have an abundant mentality.
Everything in your life, every experience, every relationship is a mirror of the mental pattern that is going on inside of you.

Quotes from the same author

You must welcome change as the rule but not as your ruler.
The only person who never makes mistakes is the person who never does anything.
There are two primary choices in life: to accept conditions as they exist or accept responsibility for changing them.
A dream is your creative vision for your life in the future. You must break out of your current comfort zone and become comfortable with the unfamiliar and the unknown.
Happiness cannot be travelled to, owned, earned, worn or consumed. Happiness is the spiritual experience of living every minute with love, grace and gratitude.