Quality is not an act, it is a habit.
Your most unhappy customers are your greatest source of learning.
The healthy social life is found when in the mirror of each human soul the whole community finds its reflection, and when in the community the virtue of each one is living.
To create is to resist—to resist silence, to resist forgetting.
My mind is my weapon. My brother has his sword, King Robert has his warhammer, and I have my mind... And a mind needs books as a sword needs a whetstone, if it is to keep its edge.
The best science is done with both the head and the heart.