So though there are many things I would have done differently, I submit to God's sovereignty and His purpose in my life and I thank Him that He brought me the way He brought me and gave me what He gave me when He thought I could handle it.

This quote is expressing the idea that even though the speaker might wish they had done some things differently in their lives, they accept that God is in control and recognize the outcome of their life’s journey. The speaker is thanking God for how He has brought them and the things He has given them in life, believing that He only gave them things when He knew that they could handle it.