Matthew 26:33-35
Peter answered, "Supposing they are all disconcerted over you, I will not be disconcerted."
Matthew 26:75
Then Peter remembered what Jesus had said, that 'before the cock crows you will disown me three times.' And he went outside and wept bitterly.
Treasury of Scripture Knowledge
Summary
And the king of Israel answered and said, Tell him, Let not him that girdeth on his harness boast himself as he that putteth it off.
Let not him, etc
General references
Bible References
Let not him, etc
Matthew 26:33
Peter answered, "Supposing they are all disconcerted over you, I will not be disconcerted."
General references
Luke 14:31
Or what king sets out to fight against another king without first sitting down to deliberate whether with ten thousand men he can encounter the king who is attacking him with twenty thousand?