自由民主的成功取决于其制度适应变化环境的能力。

Just in terms of allocation of time resources, religion is not very efficient. There's a lot more I could be doing on a Sunday morning.

The only limit to our realization of tomorrow is our doubts of today.

以利益相合的，遇到窘迫、困穷、灾祸、忧患、伤害就会互相抛弃；因天性相连的，遇到窘迫、困穷、灾祸、忧患、伤害会联结得更紧密。