His uncle, a Cardinal, engages a Spanish youth of Moorish descent called Diego, an expert singer and player on the virginal, to unlock the secrets of the heart, and to cleanse his bosom of the perilous stuff, and cure him by the spell of his music.

to preserve order in a community or an assembly

Furthermore, the high monitorers reported less improvement in stress-related/psychological problems. Interestingly, even though the high monitorers had less severe diagnoses, they demanded more tests and requested more information from the doctors, yet they desired less active involvement in their care than the low monitorers.

The electron is a zero-dimensional object, and its very zerolike nature ensures that scientists don't even know the electron's mass or charge.