不在于你有多想要它,而在于你愿意为它付出多少努力。
在化学中,就像在生活中一样,最具变革性的反应往往需要耐心和精确的条件。
The human mind is a machine for self-deception; we see what we want to see.
A quarry should heal the earth even as it harvests from it.
All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.