"In Edinburgh, the shadows are long, and the secrets are deeper."
To understand the meaning of a sentence， we must consider the speaker's intention and the context of the utterance.
No matter what you do, always follow your heart.
It has always seemed strange to me... the things we admire in men, kindness and generosity, openness, honesty, understanding and feeling, are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest, are the traits of success. And while men admire the quality of the first they love the produce of the second.
The pursuit of science is not a luxury but a necessity for the survival of mankind.