Romans 5:3-5

And not only that, but we rejoice in our sufferings, knowing that suffering produces perseverance;

Colossians 1:27

To them God willed to make known what is the riches of the glory of this mystery among the Gentiles, which is Christ in you, the hope of glory.

Treasury of Scripture Knowledge

Summary

And thou shalt be secure, because there is hope; yea, thou shalt dig about thee, and thou shalt take thy rest in safety.

Bible References

Because

Romans 5:3
And not only that, but we rejoice in our sufferings, knowing that suffering produces perseverance;
Colossians 1:27
To them God willed to make known what is the riches of the glory of this mystery among the Gentiles, which is Christ in you, the hope of glory.