Crossword-Solution: GLEY 4 letters, 5 clues 🏆 scrabble score: 8

Gley, to whom we owe much of our knowledge of glandular action, has asserted that "the genesis and exercise of the higher faculties of men are conditioned by the purely chemical action of the product of these secretions.

There is a Pal-ul-donian proverb setting forth a truth similar to that contained in the old Scotch adage that "The best laid schemes o' mice and men gang aft a-gley." Freely translated it might read, "He who follows the right trail sometimes reaches the wrong destination," and such apparently was the fate that lay in the footsteps of the great chieftain of the north and his godlike ally.

That wee bit heap o’ leaves and stibble Has cost thee mony a weary nibble! Now thou’s turned out, for a’ thy trouble, But house or hald, To thole the winter’s sleety dribble An’ cranreuch cauld! But, mousie, thou art no thy lane In proving foresight may be vain: The best-laid schemes o’ mice an’ men Gang aft a-gley, An’ lea’e us nought but grief an’ pain, For promised joy.

And he has to make "the best laid schemes o' mice and men gang aft a-gley" to get the desired outcome of character.

The best laid schemes o' mice an' men Gang aft a-gley; An' lea'e us naught but grief and pain For promised joy.