Enjoy your own life without comparing it with that of another.

The truth belongs to those who seek it, not to those who claim to own it.

Under the freest constitution ignorant people are still slaves.

I hope to see the bringing together of all the best educated people of the earth into a worldwide Congress of Scientists.

People still retain the errors of their childhood, their nation, and their age, long after they have accepted the truths needed to refute them.

Your passions don’t have to connect to one another and no one needs to sign off on them. Passion isn’t logical… it’s only the fuel which keeps our souls alive. Let it be that simple.

All the seeming "coincidences" .... were actually God catching me in his arms.

What matters isn't what you are, it's who you are, right now, in this moment. What matters are the choices we make. That's what defines us. Nothing else.

Think about the change that the world experiences without the aid of the right people and those who love and appreciate the presence of nature.

Remember, every time you open your mouth to talk, your mind walks out and parades up and down the words.

I don't feel pain. I ain't got time for that. I let other people feel pain for me.

No greater responsibility can rest upon a man, than to be a teacher of God's children

Many-sidedness of culture makes our vision clearer and keener in particulars.

The mistake is to imagine that perfection is possible when the very idea is unthinkable.