What is the poem with these lines Till seas gang dry my dear And rocks melt sun I will luve thee still While sands life shall run?

The poem containing the lines "Till seas gang dry my dear, And rocks melt with the sun, I will luve thee still, While sands of life shall run," is "My Luve is Like a Red, Red Rose" by Robert Burns.

Here's the full stanza where these lines appear:

"O my Luve is like a red, red rose,

That's newly sprung in June;

O my Luve is like the melodie

That's sweetly play'd in tune.

**As fair art thou, my bonnie lass,

So deep in luve am I;

And I will luve thee still, my dear,

Till a' the seas gang dry.

Till a' the seas gang dry, my dear,

And the rocks melt wi' the sun;

I will luve thee still, my dear,

While the sands o' life shall run.**"