All species capable of grasping this fact manage better in the struggle for existence than those which rely upon their own strength alone: the wolf which hunts in a pack has a greater chance of survival than the lion which hunts alone.

A great source of calamity lies in regret and anticipation therefore a person is wise who thinks of the present alone regardless of the past or future.

It is great folly to wish to be wise all alone.

No enterprise can exist for itself alone. It ministers to some great need it performs some great service not for itself but for others or failing therein it ceases to be profitable and ceases to exist.

No employer today is independent of those about him. He cannot succeed alone no matter how great his ability or capital. Business today is more than ever a question of cooperation.

Your most precious valued possessions and your greatest powers are invisible and intangible. No one can take them. You and you alone can give them. You will receive abundance for your giving.

Everything great in the world comes from neurotics. They alone have founded our religions and composed our masterpieces.

I have noticed... that men usually leave married women alone and are inclined to treat all wives with respect. This is no great credit to married women.

Unconditional war can no longer lead to unconditional victory. It can no longer serve to settle disputes... can no longer be of concern to great powers alone.

I may climb perhaps to no great heights but I will climb alone.