As new parents or parents of multiples, parenting overall can be quite challenging. One only knows what or how our parents treated us or taught us. The only way to grow as a parent is to keep learning different strategies and tools and try them with our children until they become the way we parent. There are differences between punishment and discipline. Learn ways to avoid punishments in order to discipline. There are great resources for new knowledge on parenting.
These are only a few!

Sources (you may click on them to take you to the website):

HelpMeGrow

Sesame Street

Zero to Three

Love & Logic

Books:

No-Drama Discipline
The Whole-Brain Way to Calm the Chaos and Nurture Your Child’s Developing Mind

The Yes Brain
How to Cultivate Courage, Curiosity, and Resilience in Your Child

The Whole-Brain Child
12 Revolutionary Strategies to Nurture Your Child’s Developing Mind

How to Talk So Little Kids Will Listen
A Survival Guide to Life with Children Ages 2-7

How to Talk So Kids Will Listen & Listen So Kids Will Talk