释义：只有经过艰苦的努力和考验，才能发现或创造出价值重大的事物。
"In every word I write, I seek to capture the fleeting moments of life, to hold them still for a moment longer."
The stock market is a device for transferring money from the impatient to the patient.
When public speaking， pause frequently. Pause before you say something in a new way， pause after you have said something you believe is important， and pause as a relief to let listeners absorb details.
The heart of the educator must be a living flame, a fire that can ignite the souls of the young.