"Quantum of Solace": while "Solace" originally means comfort or solace, "Quantum" indeed refers to the concept of 'quantum' in physics, but it also carries the meaning of quantity or total amount, such as "the quantum of rainfall" for total rainfall, "have one’s quantum of" meaning to fully experience...or fully obtain..., and "quantum jump" for a great leap or breakthrough... However, considering the entire content of the movie, there is not the slightest hint of anything related to quantum mechanics or crisis. Instead, the focus is on "Solace." The people Bond rescues gain access to free water resources, the Bond girl personally closes the chapter on his childhood trauma, and Bond ultimately comes to terms with Vesper's betrayal...