You can't let praise or criticism get to you. It's a weakness to get caught up in either one.

自由意味着责任，正因为如此，多数人都惧怕自由。

作一年的打算，最好是种植五谷；作十年的打算，最好是种植树木；作终身的打算，最好是培育人才。

过去是一个不会停止纠缠你的幽灵。

读经书，阅传注，就为治学打下坚实基础；看史籍，鉴古今，就使宏论滔滔切中肯綮；游山川，观壮景，就使志气凌云眼界开阔；戒嗜好，弃私欲，就使胸怀磊落一尘不染。

The only constant is change, continuing change, inevitable change, that is the dominant factor in society today.