El miedo es la única enfermedad incurable.

I believe in the power of gratitude.

The only people who see the whole picture are the ones who step out of the frame.

Nature is a wonderful teacher, and if we will only be patient and observe, she will reveal her secrets to us.

解读：不劳而获、投机取巧所得快乐转瞬即逝，唯有持续付出汗水与心血，攻克难题、实现目标，由此产生的快乐才扎实、长久，激励踏实奋斗。