Darwinan evolution is limited to the biological aspect but before that happened the molecules themselves had to evolve to enable this further (biological) evolution.

Science has nothing to do with any dogma. Science ceases to exist when there is a dogma.

All the labour of man is for his mouth, and yet the appetite is not filled.

You cannot be accountable with the products of someone else's mind

If your idea of good opposes something else, you can be sure that [it] is not absolute or certain.

The sunshine of the mind.

At one point in your life, you'll have the thing you want or the reasons why you don't.

People may like a person’s thought for its touching words, but they like him truly for his own deeds touching their heart.

The critics don't build great cities

I have nothing but respect for you -- and not much of that.

You yourself are time- your body, your mind, the objects around you. Plunge into the river of time and swim, instead of standing on the banks and noting the course of the currents.

For some people, becoming a parent does change them, but it never changed me.