Rewrite the following sentence to make it stronger: 
"I think I'm able to complete this project."
"I am confident in my ability to successfully complete this project."
Complete the following task based on the instruction and optional input provided.### Instruction:
Rewrite the following sentence to make it stronger: 
"I think I'm able to complete this project."

### Output:
"I am confident in my ability to successfully complete this project."