电报不仅是一项发明，而且是团结人类的手段。

Humans should learn from nature.

I’m not a fan of money. Money can’t buy happiness.

Science is a way of exploring and understanding the world.

I’m grateful for every moment.

In the end, it is not the years in your life that count, but the life in your years.

It is better for you to be free of fear lying upon a pallet, than to have a golden couch and a rich table and be full of trouble.