Quote #7936
But in this world nothing can be said to be certain, except death and...
Quote #17741
The deepest sin against the human mind is to believe things without evidence.
Quote #34507
Public speaking is very easy.
Quote #12920
Here?s what I think the truth is: We are all addicts of fossil fuels...
Quote #6819
The whole art of teaching is only the art of awakening the natural curiosity...
Quote #28032
Life is like a dogsled team. If you ain’t the lead dog, the scenery...
Quote #4700
You cannot run away from a weakness; you must sometimes fight it out or...
Quote #6782
When we are unable to find tranquility within ourselves, it is useless to seek...
Quote #14631
Having once decided to achieve a certain task, achieve it at all costs of...
Quote #9987
So long as there are men there will be wars.