The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore, all progress depends upon the unreasonable man.

If youare planning on doing business with someone again, don't be too tough in thenegotiations. If you're going to skin a cat, don't keep it as a house cat.

All bravery stands upon comparisons.

Peoplewho are too concerned with how well they are doing will be less successfuland feel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation,or between extrinsic and intrinsic motivation…

Honesty once pawned is never redeemed.

Show me a man who cannot bother to do little things andI'll show you a man who cannot be trusted to do big things.

All faults may be forgiven of him who has perfect candour

Nine times out of ten, we are disappointed in life because we don't ask enough of it.

Sciencecannot resolve moral conflicts, but it can help to more accurately frame thedebates about those conflicts.

Better hazard than always be in fear.

The ability to speak eloquently is not to be confused with having something tosay.

Words should be scattered like seeds, no matter how small the seed may be, its it has one found favourable ground, it unfolds its strength.