He who loses an opportunity is like the man who lets a bird fly from his hand, for he will never recover it.
John of the CrossIt is great wisdom to know how to be silent and to look at neither the remarks, nor the deeds, nor the lives of others.
John of the CrossHe who interrupts the course of his spiritual exercises and prayer is like a man who allows a bird to escape from his hand; he can hardly catch it again.
John of the Cross