The only meaningful way to study learning is through objective measurement.
These are our lives. No one gets to just turn you off.
We are what we think.
实现明天的唯一限制将是我们今天的疑虑。
唯一的失败是从未尝试。
最大的回报来自于最努力的工作和不放弃。
The future of food depends on how we treat our soil today.