“Since we consider and look not to the things that are seen but to the things that are unseen; for the things that are visible are temporal, brief and fleeting, but the things that are invisible are deathless and everlasting.” 2 Corinthians 4:18 (Amplified)
There is a an expression, seeing is believing, however for the christian not seeing is actually believing. That’s where the trust comes in. What we can see and touch is easy to believe, it’s right there. What we can’t see, like the future, makes it much harder to believe. That’s where the trust comes in.
If you are a believer in Christ then ask Him for your eternal sight to see with your spiritual eyes what your physical eyes can’t see and trust Him for it.