If the world was perfect, it wouldn't be.

He who would accomplish little must sacrifice little; he who would achieve much must sacrifice much; he who would attain highly must sacrifice greatly.

My loneliness was born when men praised my talkative faults and blamed my silent virtues.

The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.

Good actions ennoble us, and we are the sons of our deeds.

A scientific man ought to have no wishes, no affections, - a mere heart of stone.

To wear your heart on your sleeve isn't a very good plan; you should wear it inside, where it functions best.

Anything that makes weak - physically, intellectually and spiritually, reject it as poison.

All is disgust when a man leaves his own nature and does what is unfit.

He who possesses most must be most afraid of loss.

When you do things from your soul, you feel a river moving in you, a joy.

I'm not a genius. I'm just a tremendous bundle of experience.

I will not let anyone walk through my mind with their dirty feet.

The lifestyle I`ve been living for the last 30 years, I could have been dead a thousand times.

There is an eloquence in true enthusiasm.

No temptation can gravitate to a man unless there is that in his heart which is capable of responding to it.

I believe today that my conduct is in accordance with the will of the Almighty Creator

You can't deny laughter; when it comes, it plops down in your favorite chair and stays as long as it wants.

An original idea. That can't be too hard. The library must be full of them.

When it is not in our power to determine what is true, we ought to follow what is most probable.

I've always had an obligation to creation, above all.