Galatians 4:13

but you knew I preached the gospel to you on my former [visit] in weakness of the flesh,

1 Corinthians 2:3

And I was with you in weakness, and with fear and with much trembling,

Galatians 1:6

I wonder that you have so quickly turned away from him that called you in the grace of Christ to another gospel,

Acts 16:6

And passing through Phrygia and the country of Galatia, being forbidden by the Holy Spirit to speak the word in Asia,

2 Corinthians 10:10

For the epistles, say they, are weighty and powerful, but the bodily presence is weak and speech contemptible.

2 Corinthians 11:6

And even if I am rude in speech, I certainly am not in knowledge, but we have been made fully manifest to you in all things.

2 Corinthians 11:30

If it is necessary to boast, I will boast of my infirmities.

2 Corinthians 12:7-10

And that I might not be elated with my extraordinary revelations, there was given me a thorn in the flesh, an angel of Satan to beat me, that I should not be too much exalted.

2 Corinthians 13:4

for though he was crucified in weakness, yet he lives by the power of God; and we also are weak in him, but live with him by the power of God in you.

Treasury of Scripture Knowledge

Summary

Ye know how through infirmity of the flesh I preached the gospel unto you at the first.

General references

Bible References

Through

1 Corinthians 2:3
And I was with you in weakness, and with fear and with much trembling,
2 Corinthians 10:10
For the epistles, say they, are weighty and powerful, but the bodily presence is weak and speech contemptible.
2 Corinthians 11:6
And even if I am rude in speech, I certainly am not in knowledge, but we have been made fully manifest to you in all things.
2 Corinthians 12:7
And that I might not be elated with my extraordinary revelations, there was given me a thorn in the flesh, an angel of Satan to beat me, that I should not be too much exalted.
2 Corinthians 13:4
for though he was crucified in weakness, yet he lives by the power of God; and we also are weak in him, but live with him by the power of God in you.

At

Galatians 1:6
I wonder that you have so quickly turned away from him that called you in the grace of Christ to another gospel,
Acts 16:6
And passing through Phrygia and the country of Galatia, being forbidden by the Holy Spirit to speak the word in Asia,

General references

1 Corinthians 2:3
And I was with you in weakness, and with fear and with much trembling,