This is a critical juncture.

Meaning

This is a crucial moment that will determine the outcome.

Examples

• John: We need to make a decision quickly.
• Alice: You're right. <b>This is a critical juncture</b> for the company.
• John: What are the potential consequences?
• Alice: We must act strategically. <b>This is a critical juncture</b>; our future depends on it.