A weak-willed person cannot be sincere. La Rochefoucauld

Will is a strong blind man, leaning on the shoulders of a man with limping eyes. -Schopenhauer

If you want to succeed in this world, you must stick to it; You can't leave your sword until you die. -Voltaire

Will leads people to the smooth road, and sorrow leads people to the maze. -Spencer

6. A strong-willed person can hold the world in his hand and knead it like mud. -Goethe

7. Having a firm will is equivalent to adding a pair of wings to your feet. Joe Bailey

Although we think with judgment, it is will, not wisdom, that ultimately solves the problem. Waller