How we treasure (and admire) the people who acknowledge us!
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' (I found it!) but 'That's funny ...'
If the only prayer you ever say in your whole life is "thank you," that would suffice.
One of the lessons of history is that nothing is often a good thing to do and always a clever thing to say.
Our problems are man-made, therefore they may be solved by man. And man can be as big as he wants. No problem of human destiny is beyond human beings.
Peace is when time doesn't matter as it passes by.
You never know till you try to reach them how accessible men are; but you must approach each man by the right door.