Effective altruism is the form of altruism in which we bring our rational capacities to bear in order to do the most good that we can.

All the arguments to prove man's superiority cannot shatter this hard fact: in suffering, the animals are our equals.

If possessing a higher degree of intelligence does not entitle one human to use another for his or her own ends, how can it entitle humans to exploit non-humans?

We are, quite literally, gambling with the future of our planet- for the sake of hamburgers

Hebrew word for "charity" tzedakah, simply means "justice" and as this suggests, for Jews, giving to the poor is no optional extra but an essential part of living a just life.

Becoming a vegan is a sure way of completely avoiding participation in the abuse of farmed animals. Vegans are a living demonstration of the fact that we do not need to exploit animals for food.

If it is in our power to prevent something bad from happening, without thereby sacrificing anything of comparable moral importance, we ought, morally, to do it.

Killing a defective infant is not morally equivalent to killing a person. Sometimes it is not wrong at all.

Dolphins are social mammals, capable of enjoying their lives. They form close bonds with other members of their group.

Those who purchase meat, fur, and leather have no right to be shielded from the sights and sounds of the slaughterhouses from which these products were produced.

Of course, infanticide needs to be strictly legally controlled and rare - but it should not be ruled out, any more than abortion.

This book is dedicated to all the students I've known over the years who've taught me humility and what it means to really be a kid.

No man is a hero to his valet. This is not because the hero is not a hero, but because the valet is a valet.

I do have anger management issues. Not clinical. Probably no more than most people.

Trying to outsmart a compiler defeats much of the purpose of using one.

Exercise thy lasting youth defends.

We can land men on the moon, but, for all our mechanical and electronic wizardry, we cannot reproduce an artificial fore-finger that can feel as well as beckon.

Early genius, like early cabbage, does not head well.

Sleep is the sister of death and the dwellers of heaven will not sleep

I don't really look for challenges as much as I like adventures. Other than that I'm just trying to find stories I want to tell.

In a few hours one could cover that incalculable distance; from the winter country and homely neighbours, to the city where the air trembled like a tuning-fork with unimaginable possibilities.