What soon grows old? Gratitude.

It is during our darkest moments that we must focus to see the light.

Happiness depends upon ourselves.

Educating the mind without educating the heart is no education at all.

Adventure is worthwhile.

Patience is bitter, but its fruit is sweet.

Love is composed of a single soul inhabiting two bodies.

Education is an ornament in prosperity and a refuge in adversity.

Be a free thinker and don't accept everything you hear as truth. Be critical and evaluate what you believe in.

Knowing yourself is the beginning of all wisdom.

Criticism is something we can avoid easily by saying nothing, doing nothing, and being nothing.

People who are afraid to become gods say “it's impossible

I've learned that the only things we are in control of are the choices we make at any one given moment.

If we steal thoughts from the moderns, it will be cried down as plagiarism; if from the ancients, it will be cried up as erudition.

All of us should banish hateful communications and practice civility for differences of opinion.

The devil makes a great deal of the religion we see.

Humble spirits are free to love and to be who they are. They have no artificial standards to live up to.

If you don't fight the system, you can either take advantage of the system or let the system take advantage of you.

It's incredibly stressful when the person you love is having a child.

Rather than being an interpreter, the scientist who embraces a new paradigm is like the man wearing inverting lenses.